21784084920

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10141}}^1$

素因数の和:10197

約数の個数: 384

約数和(自身を含む): 83727483840

約数和(自身を除く): 61943398920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 81, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 162, 170, 180, 195, 204, 216, 221, 234, 243, 255, 260, 270, 306, 312, 324, 340, 351, 360, 390, 405, 408, 442, 459, 468, 486, 510, 520, 540, 585, 612, 648, 663, 680, 702, 765, 780, 810, 884, 918, 936, 972, 1020, 1053, 1080, 1105, 1170, 1215, 1224, 1326, 1377, 1404, 1530, 1560, 1620, 1755, 1768, 1836, 1944, 1989, 2040, 2106, 2210, 2295, 2340, 2430, 2652, 2754, 2808, 3060, 3159, 3240, 3315, 3510, 3672, 3978, 4131, 4212, 4420, 4590, 4680, 4860, 5265, 5304, 5508, 5967, 6120, 6318, 6630, 6885, 7020, 7956, 8262, 8424, 8840, 9180, 9720, 9945, 10141, 10530, 11016, 11934, 12636, 13260, 13770, 14040, 15795, 15912, 16524, 17901, 18360, 19890, 20282, 20655, 21060, 23868, 25272, 26520, 27540, 29835, 30423, 31590, 33048, 35802, 39780, 40564, 41310, 42120, 47736, 50705, 53703, 55080, 59670, 60846, 63180, 71604, 79560, 81128, 82620, 89505, 91269, 101410, 107406, 119340, 121692, 126360, 131833, 143208, 152115, 165240, 172397, 179010, 182538, 202820, 214812, 238680, 243384, 263666, 268515, 273807, 304230, 344794, 358020, 365076, 395499, 405640, 429624, 456345, 517191, 527332, 537030, 547614, 608460, 659165, 689588, 716040, 730152, 790998, 821421, 861985, 912690, 1034382, 1054664, 1074060, 1095228, 1186497, 1216920, 1318330, 1369035, 1379176, 1551573, 1581996, 1642842, 1723970, 1825380, 1977495, 2068764, 2148120, 2190456, 2241161, 2372994, 2464263, 2585955, 2636660, 2738070, 3103146, 3163992, 3285684, 3447940, 3559491, 3650760, 3954990, 4107105, 4137528, 4482322, 4654719, 4745988, 4928526, 5171910, 5273320, 5476140, 5932485, 6206292, 6571368, 6723483, 6895880, 7118982, 7757865, 7909980, 8214210, 8964644, 9309438, 9491976, 9857052, 10343820, 10678473, 10952280, 11205805, 11864970, 12321315, 12412584, 13446966, 13964157, 14237964, 15515730, 15819960, 16428420, 17797455, 17929288, 18618876, 19714104, 20170449, 20687640, 21356946, 22411610, 23273595, 23729940, 24642630, 26893932, 27928314, 28475928, 31031460, 32035419, 32856840, 33617415, 35594910, 37237752, 40340898, 41892471, 42713892, 44823220, 46547190, 47459880, 49285260, 53392365, 53787864, 55856628, 60511347, 62062920, 64070838, 67234830, 69820785, 71189820, 80681796, 83784942, 85427784, 89646440, 93094380, 98570520, 100852245, 106784730, 111713256, 121022694, 128141676, 134469660, 139641570, 142379640, 160177095, 161363592, 167569884, 181534041, 186188760, 201704490, 209462355, 213569460, 242045388, 256283352, 268939320, 279283140, 302556735, 320354190, 335139768, 363068082, 403408980, 418924710, 427138920, 484090776, 544602123, 558566280, 605113470, 640708380, 726136164, 806817960, 837849420, 907670205, 1089204246, 1210226940, 1281416760, 1452272328, 1675698840, 1815340410, 2178408492, 2420453880, 2723010615, 3630680820, 4356816984, 5446021230, 7261361640, 10892042460, 21784084920]

約数ペア:

[(1, 21784084920), (2, 10892042460), (3, 7261361640), (4, 5446021230), (5, 4356816984), (6, 3630680820), (8, 2723010615), (9, 2420453880), (10, 2178408492), (12, 1815340410), (13, 1675698840), (15, 1452272328), (17, 1281416760), (18, 1210226940), (20, 1089204246), (24, 907670205), (26, 837849420), (27, 806817960), (30, 726136164), (34, 640708380), (36, 605113470), (39, 558566280), (40, 544602123), (45, 484090776), (51, 427138920), (52, 418924710), (54, 403408980), (60, 363068082), (65, 335139768), (68, 320354190), (72, 302556735), (78, 279283140), (81, 268939320), (85, 256283352), (90, 242045388), (102, 213569460), (104, 209462355), (108, 201704490), (117, 186188760), (120, 181534041), (130, 167569884), (135, 161363592), (136, 160177095), (153, 142379640), (156, 139641570), (162, 134469660), (170, 128141676), (180, 121022694), (195, 111713256), (204, 106784730), (216, 100852245), (221, 98570520), (234, 93094380), (243, 89646440), (255, 85427784), (260, 83784942), (270, 80681796), (306, 71189820), (312, 69820785), (324, 67234830), (340, 64070838), (351, 62062920), (360, 60511347), (390, 55856628), (405, 53787864), (408, 53392365), (442, 49285260), (459, 47459880), (468, 46547190), (486, 44823220), (510, 42713892), (520, 41892471), (540, 40340898), (585, 37237752), (612, 35594910), (648, 33617415), (663, 32856840), (680, 32035419), (702, 31031460), (765, 28475928), (780, 27928314), (810, 26893932), (884, 24642630), (918, 23729940), (936, 23273595), (972, 22411610), (1020, 21356946), (1053, 20687640), (1080, 20170449), (1105, 19714104), (1170, 18618876), (1215, 17929288), (1224, 17797455), (1326, 16428420), (1377, 15819960), (1404, 15515730), (1530, 14237964), (1560, 13964157), (1620, 13446966), (1755, 12412584), (1768, 12321315), (1836, 11864970), (1944, 11205805), (1989, 10952280), (2040, 10678473), (2106, 10343820), (2210, 9857052), (2295, 9491976), (2340, 9309438), (2430, 8964644), (2652, 8214210), (2754, 7909980), (2808, 7757865), (3060, 7118982), (3159, 6895880), (3240, 6723483), (3315, 6571368), (3510, 6206292), (3672, 5932485), (3978, 5476140), (4131, 5273320), (4212, 5171910), (4420, 4928526), (4590, 4745988), (4680, 4654719), (4860, 4482322), (5265, 4137528), (5304, 4107105), (5508, 3954990), (5967, 3650760), (6120, 3559491), (6318, 3447940), (6630, 3285684), (6885, 3163992), (7020, 3103146), (7956, 2738070), (8262, 2636660), (8424, 2585955), (8840, 2464263), (9180, 2372994), (9720, 2241161), (9945, 2190456), (10141, 2148120), (10530, 2068764), (11016, 1977495), (11934, 1825380), (12636, 1723970), (13260, 1642842), (13770, 1581996), (14040, 1551573), (15795, 1379176), (15912, 1369035), (16524, 1318330), (17901, 1216920), (18360, 1186497), (19890, 1095228), (20282, 1074060), (20655, 1054664), (21060, 1034382), (23868, 912690), (25272, 861985), (26520, 821421), (27540, 790998), (29835, 730152), (30423, 716040), (31590, 689588), (33048, 659165), (35802, 608460), (39780, 547614), (40564, 537030), (41310, 527332), (42120, 517191), (47736, 456345), (50705, 429624), (53703, 405640), (55080, 395499), (59670, 365076), (60846, 358020), (63180, 344794), (71604, 304230), (79560, 273807), (81128, 268515), (82620, 263666), (89505, 243384), (91269, 238680), (101410, 214812), (107406, 202820), (119340, 182538), (121692, 179010), (126360, 172397), (131833, 165240), (143208, 152115)]