21168888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3612

約数の個数: 64

約数和(自身を含む): 60009600

約数和(自身を除く): 38840712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3571, 5928, 7142, 10713, 14284, 21426, 28568, 42852, 46423, 67849, 85704, 92846, 135698, 139269, 185692, 203547, 271396, 278538, 371384, 407094, 542792, 557076, 814188, 882037, 1114152, 1628376, 1764074, 2646111, 3528148, 5292222, 7056296, 10584444, 21168888]

約数ペア:

[(1, 21168888), (2, 10584444), (3, 7056296), (4, 5292222), (6, 3528148), (8, 2646111), (12, 1764074), (13, 1628376), (19, 1114152), (24, 882037), (26, 814188), (38, 557076), (39, 542792), (52, 407094), (57, 371384), (76, 278538), (78, 271396), (104, 203547), (114, 185692), (152, 139269), (156, 135698), (228, 92846), (247, 85704), (312, 67849), (456, 46423), (494, 42852), (741, 28568), (988, 21426), (1482, 14284), (1976, 10713), (2964, 7142), (3571, 5928)]