21408541968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1307951}}^1$

素因数の和:1308004

約数の個数: 80

約数和(自身を含む): 62279442432

約数和(自身を除く): 40870900464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 1307951, 2615902, 3923853, 5231804, 7847706, 10463608, 14387461, 15695412, 20927216, 28774922, 31390824, 40546481, 43162383, 57549844, 62781648, 81092962, 86324766, 115099688, 121639443, 162185924, 172649532, 230199376, 243278886, 324371848, 345299064, 446011291, 486557772, 648743696, 690598128, 892022582, 973115544, 1338033873, 1784045164, 1946231088, 2676067746, 3568090328, 5352135492, 7136180656, 10704270984, 21408541968]

約数ペア:

[(1, 21408541968), (2, 10704270984), (3, 7136180656), (4, 5352135492), (6, 3568090328), (8, 2676067746), (11, 1946231088), (12, 1784045164), (16, 1338033873), (22, 973115544), (24, 892022582), (31, 690598128), (33, 648743696), (44, 486557772), (48, 446011291), (62, 345299064), (66, 324371848), (88, 243278886), (93, 230199376), (124, 172649532), (132, 162185924), (176, 121639443), (186, 115099688), (248, 86324766), (264, 81092962), (341, 62781648), (372, 57549844), (496, 43162383), (528, 40546481), (682, 31390824), (744, 28774922), (1023, 20927216), (1364, 15695412), (1488, 14387461), (2046, 10463608), (2728, 7847706), (4092, 5231804), (5456, 3923853), (8184, 2615902), (16368, 1307951)]