21706086250

素因数分解:

$2^1\times 5^4\times {\mathrm{1423}}^1\times {\mathrm{12203}}^1$

素因数の和:13648

約数の個数: 40

約数和(自身を含む): 40717816128

約数和(自身を除く): 19011729878

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1423, 2846, 7115, 12203, 14230, 24406, 35575, 61015, 71150, 122030, 177875, 305075, 355750, 610150, 889375, 1525375, 1778750, 3050750, 7626875, 15253750, 17364869, 34729738, 86824345, 173648690, 434121725, 868243450, 2170608625, 4341217250, 10853043125, 21706086250]

約数ペア:

[(1, 21706086250), (2, 10853043125), (5, 4341217250), (10, 2170608625), (25, 868243450), (50, 434121725), (125, 173648690), (250, 86824345), (625, 34729738), (1250, 17364869), (1423, 15253750), (2846, 7626875), (7115, 3050750), (12203, 1778750), (14230, 1525375), (24406, 889375), (35575, 610150), (61015, 355750), (71150, 305075), (122030, 177875)]