21658754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6359}}^1$

素因数の和:6505

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 13601086

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6359, 12718, 82667, 165334, 833029, 1666058, 10829377, 21658754]

約数ペア:

[(1, 21658754), (2, 10829377), (13, 1666058), (26, 833029), (131, 165334), (262, 82667), (1703, 12718), (3406, 6359)]