21965476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5347}}^1$

素因数の和:5443

約数の個数: 24

約数和(自身を含む): 41928320

約数和(自身を除く): 19962844

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 5347, 10694, 21388, 69511, 139022, 278044, 422413, 844826, 1689652, 5491369, 10982738, 21965476]

約数ペア:

[(1, 21965476), (2, 10982738), (4, 5491369), (13, 1689652), (26, 844826), (52, 422413), (79, 278044), (158, 139022), (316, 69511), (1027, 21388), (2054, 10694), (4108, 5347)]