21718151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5821}}^1$

素因数の和:5882

約数の個数: 16

約数和(自身を含む): 27386688

約数和(自身を除く): 5668537

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5821, 40747, 75673, 238661, 529711, 1670627, 3102593, 21718151]

約数ペア:

[(1, 21718151), (7, 3102593), (13, 1670627), (41, 529711), (91, 238661), (287, 75673), (533, 40747), (3731, 5821)]