21091771692

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1583}}^1\times {\mathrm{11939}}^1$

素因数の和:13563

約数の個数: 72

約数和(自身を含む): 55074539520

約数和(自身を除く): 33982767828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 1583, 3166, 4749, 6332, 9498, 11939, 14247, 18996, 23878, 28494, 35817, 47756, 49073, 56988, 71634, 98146, 107451, 143268, 147219, 196292, 214902, 294438, 370109, 429804, 441657, 588876, 740218, 883314, 1110327, 1480436, 1766628, 2220654, 3330981, 4441308, 6661962, 13323924, 18899437, 37798874, 56698311, 75597748, 113396622, 170094933, 226793244, 340189866, 585882547, 680379732, 1171765094, 1757647641, 2343530188, 3515295282, 5272942923, 7030590564, 10545885846, 21091771692]

約数ペア:

[(1, 21091771692), (2, 10545885846), (3, 7030590564), (4, 5272942923), (6, 3515295282), (9, 2343530188), (12, 1757647641), (18, 1171765094), (31, 680379732), (36, 585882547), (62, 340189866), (93, 226793244), (124, 170094933), (186, 113396622), (279, 75597748), (372, 56698311), (558, 37798874), (1116, 18899437), (1583, 13323924), (3166, 6661962), (4749, 4441308), (6332, 3330981), (9498, 2220654), (11939, 1766628), (14247, 1480436), (18996, 1110327), (23878, 883314), (28494, 740218), (35817, 588876), (47756, 441657), (49073, 429804), (56988, 370109), (71634, 294438), (98146, 214902), (107451, 196292), (143268, 147219)]