21452652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 60968544

約数和(自身を除く): 39515892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1993, 2691, 3588, 3986, 5382, 5979, 7972, 10764, 11958, 17937, 23916, 25909, 35874, 45839, 51818, 71748, 77727, 91678, 103636, 137517, 155454, 183356, 233181, 275034, 310908, 412551, 466362, 550068, 595907, 825102, 932724, 1191814, 1650204, 1787721, 2383628, 3575442, 5363163, 7150884, 10726326, 21452652]

約数ペア:

[(1, 21452652), (2, 10726326), (3, 7150884), (4, 5363163), (6, 3575442), (9, 2383628), (12, 1787721), (13, 1650204), (18, 1191814), (23, 932724), (26, 825102), (36, 595907), (39, 550068), (46, 466362), (52, 412551), (69, 310908), (78, 275034), (92, 233181), (117, 183356), (138, 155454), (156, 137517), (207, 103636), (234, 91678), (276, 77727), (299, 71748), (414, 51818), (468, 45839), (598, 35874), (828, 25909), (897, 23916), (1196, 17937), (1794, 11958), (1993, 10764), (2691, 7972), (3588, 5979), (3986, 5382)]