21111219480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{25679}}^1$

素因数の和:25754

約数の個数: 256

約数和(自身を含む): 74550067200

約数和(自身を除く): 53438847720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 195, 204, 221, 248, 255, 260, 310, 312, 340, 372, 390, 403, 408, 442, 465, 510, 520, 527, 620, 663, 680, 744, 780, 806, 884, 930, 1020, 1054, 1105, 1209, 1240, 1326, 1560, 1581, 1612, 1768, 1860, 2015, 2040, 2108, 2210, 2418, 2635, 2652, 3162, 3224, 3315, 3720, 4030, 4216, 4420, 4836, 5270, 5304, 6045, 6324, 6630, 6851, 7905, 8060, 8840, 9672, 10540, 12090, 12648, 13260, 13702, 15810, 16120, 20553, 21080, 24180, 25679, 26520, 27404, 31620, 34255, 41106, 48360, 51358, 54808, 63240, 68510, 77037, 82212, 102716, 102765, 128395, 137020, 154074, 164424, 205432, 205530, 256790, 274040, 308148, 333827, 385185, 411060, 436543, 513580, 616296, 667654, 770370, 796049, 822120, 873086, 1001481, 1027160, 1309629, 1335308, 1540740, 1592098, 1669135, 1746172, 2002962, 2182715, 2388147, 2619258, 2670616, 3081480, 3184196, 3338270, 3492344, 3980245, 4005924, 4365430, 4776294, 5007405, 5238516, 5675059, 6368392, 6548145, 6676540, 7960490, 8011848, 8730860, 9552588, 10014810, 10348637, 10477032, 11350118, 11940735, 13096290, 13353080, 13532833, 15920980, 17025177, 17461720, 19105176, 20029620, 20697274, 22700236, 23881470, 26192580, 27065666, 28375295, 31045911, 31841960, 34050354, 40059240, 40598499, 41394548, 45400472, 47762940, 51743185, 52385160, 54131332, 56750590, 62091822, 67664165, 68100708, 81196998, 82789096, 85125885, 95525880, 103486370, 108262664, 113501180, 124183644, 135328330, 136201416, 155229555, 162393996, 170251770, 175926829, 202992495, 206972740, 227002360, 248367288, 270656660, 310459110, 324787992, 340503540, 351853658, 405984990, 413945480, 527780487, 541313320, 620918220, 681007080, 703707316, 811969980, 879634145, 1055560974, 1241836440, 1407414632, 1623939960, 1759268290, 2111121948, 2638902435, 3518536580, 4222243896, 5277804870, 7037073160, 10555609740, 21111219480]

約数ペア:

[(1, 21111219480), (2, 10555609740), (3, 7037073160), (4, 5277804870), (5, 4222243896), (6, 3518536580), (8, 2638902435), (10, 2111121948), (12, 1759268290), (13, 1623939960), (15, 1407414632), (17, 1241836440), (20, 1055560974), (24, 879634145), (26, 811969980), (30, 703707316), (31, 681007080), (34, 620918220), (39, 541313320), (40, 527780487), (51, 413945480), (52, 405984990), (60, 351853658), (62, 340503540), (65, 324787992), (68, 310459110), (78, 270656660), (85, 248367288), (93, 227002360), (102, 206972740), (104, 202992495), (120, 175926829), (124, 170251770), (130, 162393996), (136, 155229555), (155, 136201416), (156, 135328330), (170, 124183644), (186, 113501180), (195, 108262664), (204, 103486370), (221, 95525880), (248, 85125885), (255, 82789096), (260, 81196998), (310, 68100708), (312, 67664165), (340, 62091822), (372, 56750590), (390, 54131332), (403, 52385160), (408, 51743185), (442, 47762940), (465, 45400472), (510, 41394548), (520, 40598499), (527, 40059240), (620, 34050354), (663, 31841960), (680, 31045911), (744, 28375295), (780, 27065666), (806, 26192580), (884, 23881470), (930, 22700236), (1020, 20697274), (1054, 20029620), (1105, 19105176), (1209, 17461720), (1240, 17025177), (1326, 15920980), (1560, 13532833), (1581, 13353080), (1612, 13096290), (1768, 11940735), (1860, 11350118), (2015, 10477032), (2040, 10348637), (2108, 10014810), (2210, 9552588), (2418, 8730860), (2635, 8011848), (2652, 7960490), (3162, 6676540), (3224, 6548145), (3315, 6368392), (3720, 5675059), (4030, 5238516), (4216, 5007405), (4420, 4776294), (4836, 4365430), (5270, 4005924), (5304, 3980245), (6045, 3492344), (6324, 3338270), (6630, 3184196), (6851, 3081480), (7905, 2670616), (8060, 2619258), (8840, 2388147), (9672, 2182715), (10540, 2002962), (12090, 1746172), (12648, 1669135), (13260, 1592098), (13702, 1540740), (15810, 1335308), (16120, 1309629), (20553, 1027160), (21080, 1001481), (24180, 873086), (25679, 822120), (26520, 796049), (27404, 770370), (31620, 667654), (34255, 616296), (41106, 513580), (48360, 436543), (51358, 411060), (54808, 385185), (63240, 333827), (68510, 308148), (77037, 274040), (82212, 256790), (102716, 205530), (102765, 205432), (128395, 164424), (137020, 154074)]