21130044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135449}}^1$

素因数の和:135469

約数の個数: 24

約数和(自身を含む): 53096400

約数和(自身を除く): 31966356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135449, 270898, 406347, 541796, 812694, 1625388, 1760837, 3521674, 5282511, 7043348, 10565022, 21130044]

約数ペア:

[(1, 21130044), (2, 10565022), (3, 7043348), (4, 5282511), (6, 3521674), (12, 1760837), (13, 1625388), (26, 812694), (39, 541796), (52, 406347), (78, 270898), (156, 135449)]