21877746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 47990016

約数和(自身を除く): 26112270

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 211, 422, 633, 1266, 1571, 2321, 3142, 4642, 4713, 6963, 9426, 13926, 17281, 34562, 51843, 103686, 331481, 662962, 994443, 1988886, 3646291, 7292582, 10938873, 21877746]

約数ペア:

[(1, 21877746), (2, 10938873), (3, 7292582), (6, 3646291), (11, 1988886), (22, 994443), (33, 662962), (66, 331481), (211, 103686), (422, 51843), (633, 34562), (1266, 17281), (1571, 13926), (2321, 9426), (3142, 6963), (4642, 4713)]