21167883289

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{3061}}^1\times {\mathrm{7211}}^1$

素因数の和:10416

約数の個数: 16

約数和(自身を含む): 24379790976

約数和(自身を除く): 3211907687

約数列:

[1, 7, 137, 959, 3061, 7211, 21427, 50477, 419357, 987907, 2935499, 6915349, 22072871, 154510097, 3023983327, 21167883289]

約数ペア:

[(1, 21167883289), (7, 3023983327), (137, 154510097), (959, 22072871), (3061, 6915349), (7211, 2935499), (21427, 987907), (50477, 419357)]