21567199871

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{601411}}^1$

素因数の和:601574

約数の個数: 16

約数和(自身を含む): 25403642880

約数和(自身を除く): 3836443009

約数列:

[1, 7, 47, 109, 329, 763, 5123, 35861, 601411, 4209877, 28266317, 65553799, 197864219, 458876593, 3081028553, 21567199871]

約数ペア:

[(1, 21567199871), (7, 3081028553), (47, 458876593), (109, 197864219), (329, 65553799), (763, 28266317), (5123, 4209877), (35861, 601411)]