21810360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 81285120

約数和(自身を除く): 59474760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 31, 33, 39, 40, 41, 44, 52, 55, 60, 62, 65, 66, 78, 82, 88, 93, 104, 110, 120, 123, 124, 130, 132, 143, 155, 156, 164, 165, 186, 195, 205, 220, 246, 248, 260, 264, 286, 310, 312, 328, 330, 341, 372, 390, 403, 410, 429, 440, 451, 465, 492, 520, 533, 572, 615, 620, 660, 682, 715, 744, 780, 806, 820, 858, 902, 930, 984, 1023, 1066, 1144, 1209, 1230, 1240, 1271, 1320, 1353, 1364, 1430, 1560, 1599, 1612, 1640, 1705, 1716, 1804, 1860, 2015, 2046, 2132, 2145, 2255, 2418, 2460, 2542, 2665, 2706, 2728, 2860, 3198, 3224, 3410, 3432, 3608, 3720, 3813, 4030, 4092, 4264, 4290, 4433, 4510, 4836, 4920, 5084, 5115, 5330, 5412, 5720, 5863, 6045, 6355, 6396, 6765, 6820, 7626, 7995, 8060, 8184, 8580, 8866, 9020, 9672, 10168, 10230, 10660, 10824, 11726, 12090, 12710, 12792, 13299, 13530, 13640, 13981, 15252, 15990, 16120, 16523, 17160, 17589, 17732, 18040, 19065, 20460, 21320, 22165, 23452, 24180, 25420, 26598, 27060, 27962, 29315, 30504, 31980, 33046, 35178, 35464, 38130, 40920, 41943, 44330, 46904, 48360, 49569, 50840, 53196, 54120, 55924, 58630, 63960, 66092, 66495, 69905, 70356, 76260, 82615, 83886, 87945, 88660, 99138, 106392, 111848, 117260, 132184, 132990, 139810, 140712, 152520, 165230, 167772, 175890, 177320, 181753, 198276, 209715, 234520, 247845, 265980, 279620, 330460, 335544, 351780, 363506, 396552, 419430, 495690, 531960, 545259, 559240, 660920, 703560, 727012, 838860, 908765, 991380, 1090518, 1454024, 1677720, 1817530, 1982760, 2181036, 2726295, 3635060, 4362072, 5452590, 7270120, 10905180, 21810360]

約数ペア:

[(1, 21810360), (2, 10905180), (3, 7270120), (4, 5452590), (5, 4362072), (6, 3635060), (8, 2726295), (10, 2181036), (11, 1982760), (12, 1817530), (13, 1677720), (15, 1454024), (20, 1090518), (22, 991380), (24, 908765), (26, 838860), (30, 727012), (31, 703560), (33, 660920), (39, 559240), (40, 545259), (41, 531960), (44, 495690), (52, 419430), (55, 396552), (60, 363506), (62, 351780), (65, 335544), (66, 330460), (78, 279620), (82, 265980), (88, 247845), (93, 234520), (104, 209715), (110, 198276), (120, 181753), (123, 177320), (124, 175890), (130, 167772), (132, 165230), (143, 152520), (155, 140712), (156, 139810), (164, 132990), (165, 132184), (186, 117260), (195, 111848), (205, 106392), (220, 99138), (246, 88660), (248, 87945), (260, 83886), (264, 82615), (286, 76260), (310, 70356), (312, 69905), (328, 66495), (330, 66092), (341, 63960), (372, 58630), (390, 55924), (403, 54120), (410, 53196), (429, 50840), (440, 49569), (451, 48360), (465, 46904), (492, 44330), (520, 41943), (533, 40920), (572, 38130), (615, 35464), (620, 35178), (660, 33046), (682, 31980), (715, 30504), (744, 29315), (780, 27962), (806, 27060), (820, 26598), (858, 25420), (902, 24180), (930, 23452), (984, 22165), (1023, 21320), (1066, 20460), (1144, 19065), (1209, 18040), (1230, 17732), (1240, 17589), (1271, 17160), (1320, 16523), (1353, 16120), (1364, 15990), (1430, 15252), (1560, 13981), (1599, 13640), (1612, 13530), (1640, 13299), (1705, 12792), (1716, 12710), (1804, 12090), (1860, 11726), (2015, 10824), (2046, 10660), (2132, 10230), (2145, 10168), (2255, 9672), (2418, 9020), (2460, 8866), (2542, 8580), (2665, 8184), (2706, 8060), (2728, 7995), (2860, 7626), (3198, 6820), (3224, 6765), (3410, 6396), (3432, 6355), (3608, 6045), (3720, 5863), (3813, 5720), (4030, 5412), (4092, 5330), (4264, 5115), (4290, 5084), (4433, 4920), (4510, 4836)]