21695167260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{66701}}^1$

素因数の和:66868

約数の個数: 144

約数和(自身を含む): 71381812320

約数和(自身を除く): 49686645060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 234, 260, 278, 390, 417, 468, 556, 585, 695, 780, 834, 1170, 1251, 1390, 1668, 1807, 2085, 2340, 2502, 2780, 3614, 4170, 5004, 5421, 6255, 7228, 8340, 9035, 10842, 12510, 16263, 18070, 21684, 25020, 27105, 32526, 36140, 54210, 65052, 66701, 81315, 108420, 133402, 162630, 200103, 266804, 325260, 333505, 400206, 600309, 667010, 800412, 867113, 1000515, 1200618, 1334020, 1734226, 2001030, 2401236, 2601339, 3001545, 3468452, 4002060, 4335565, 5202678, 6003090, 7804017, 8671130, 9271439, 10405356, 12006180, 13006695, 15608034, 17342260, 18542878, 26013390, 27814317, 31216068, 37085756, 39020085, 46357195, 52026780, 55628634, 78040170, 83442951, 92714390, 111257268, 120528707, 139071585, 156080340, 166885902, 185428780, 241057414, 278143170, 333771804, 361586121, 417214755, 482114828, 556286340, 602643535, 723172242, 834429510, 1084758363, 1205287070, 1446344484, 1668859020, 1807930605, 2169516726, 2410574140, 3615861210, 4339033452, 5423791815, 7231722420, 10847583630, 21695167260]

約数ペア:

[(1, 21695167260), (2, 10847583630), (3, 7231722420), (4, 5423791815), (5, 4339033452), (6, 3615861210), (9, 2410574140), (10, 2169516726), (12, 1807930605), (13, 1668859020), (15, 1446344484), (18, 1205287070), (20, 1084758363), (26, 834429510), (30, 723172242), (36, 602643535), (39, 556286340), (45, 482114828), (52, 417214755), (60, 361586121), (65, 333771804), (78, 278143170), (90, 241057414), (117, 185428780), (130, 166885902), (139, 156080340), (156, 139071585), (180, 120528707), (195, 111257268), (234, 92714390), (260, 83442951), (278, 78040170), (390, 55628634), (417, 52026780), (468, 46357195), (556, 39020085), (585, 37085756), (695, 31216068), (780, 27814317), (834, 26013390), (1170, 18542878), (1251, 17342260), (1390, 15608034), (1668, 13006695), (1807, 12006180), (2085, 10405356), (2340, 9271439), (2502, 8671130), (2780, 7804017), (3614, 6003090), (4170, 5202678), (5004, 4335565), (5421, 4002060), (6255, 3468452), (7228, 3001545), (8340, 2601339), (9035, 2401236), (10842, 2001030), (12510, 1734226), (16263, 1334020), (18070, 1200618), (21684, 1000515), (25020, 867113), (27105, 800412), (32526, 667010), (36140, 600309), (54210, 400206), (65052, 333505), (66701, 325260), (81315, 266804), (108420, 200103), (133402, 162630)]