21714550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3037}}^1$

素因数の和:3073

約数の個数: 48

約数和(自身を含む): 47465712

約数和(自身を除く): 25751162

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3037, 3575, 6074, 7150, 15185, 30370, 33407, 39481, 66814, 75925, 78962, 151850, 167035, 197405, 334070, 394810, 434291, 835175, 868582, 987025, 1670350, 1974050, 2171455, 4342910, 10857275, 21714550]

約数ペア:

[(1, 21714550), (2, 10857275), (5, 4342910), (10, 2171455), (11, 1974050), (13, 1670350), (22, 987025), (25, 868582), (26, 835175), (50, 434291), (55, 394810), (65, 334070), (110, 197405), (130, 167035), (143, 151850), (275, 78962), (286, 75925), (325, 66814), (550, 39481), (650, 33407), (715, 30370), (1430, 15185), (3037, 7150), (3575, 6074)]