21332129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4423}}^1$

素因数の和:4496

約数の個数: 16

約数和(自身を含む): 26756352

約数和(自身を除く): 5424223

約数列:

[1, 7, 13, 53, 91, 371, 689, 4423, 4823, 30961, 57499, 234419, 402493, 1640933, 3047447, 21332129]

約数ペア:

[(1, 21332129), (7, 3047447), (13, 1640933), (53, 402493), (91, 234419), (371, 57499), (689, 30961), (4423, 4823)]