21677711

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 24631296

約数和(自身を除く): 2953585

約数列:

[1, 11, 31, 151, 341, 421, 1661, 4631, 4681, 13051, 51491, 63571, 143561, 699281, 1970701, 21677711]

約数ペア:

[(1, 21677711), (11, 1970701), (31, 699281), (151, 143561), (341, 63571), (421, 51491), (1661, 13051), (4631, 4681)]