21972148

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{4127}}^1$

素因数の和:4164

約数の個数: 24

約数和(自身を含む): 42303744

約数和(自身を除く): 20331596

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 4127, 5324, 8254, 16508, 45397, 90794, 181588, 499367, 998734, 1997468, 5493037, 10986074, 21972148]

約数ペア:

[(1, 21972148), (2, 10986074), (4, 5493037), (11, 1997468), (22, 998734), (44, 499367), (121, 181588), (242, 90794), (484, 45397), (1331, 16508), (2662, 8254), (4127, 5324)]