21492396575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1\times {\mathrm{2621}}^1$

素因数の和:3764

約数の個数: 48

約数和(自身を含む): 29987205696

約数和(自身を除く): 8494809121

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1097, 1495, 2621, 5485, 7475, 13105, 14261, 25231, 27425, 34073, 60283, 65525, 71305, 126155, 170365, 301415, 328003, 356525, 630775, 783679, 851825, 1507075, 1640015, 2875237, 3918395, 8200075, 14376185, 19591975, 37378081, 66130451, 71880925, 186890405, 330652255, 859695863, 934452025, 1653261275, 4298479315, 21492396575]

約数ペア:

[(1, 21492396575), (5, 4298479315), (13, 1653261275), (23, 934452025), (25, 859695863), (65, 330652255), (115, 186890405), (299, 71880925), (325, 66130451), (575, 37378081), (1097, 19591975), (1495, 14376185), (2621, 8200075), (5485, 3918395), (7475, 2875237), (13105, 1640015), (14261, 1507075), (25231, 851825), (27425, 783679), (34073, 630775), (60283, 356525), (65525, 328003), (71305, 301415), (126155, 170365)]