21095556307

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{321319}}^1$

素因数の和:321522

約数の個数: 16

約数和(自身を含む): 24615682560

約数和(自身を除く): 3520126253

約数列:

[1, 7, 83, 113, 581, 791, 9379, 65653, 321319, 2249233, 26669477, 36309047, 186686339, 254163329, 3013650901, 21095556307]

約数ペア:

[(1, 21095556307), (7, 3013650901), (83, 254163329), (113, 186686339), (581, 36309047), (791, 26669477), (9379, 2249233), (65653, 321319)]