21701631

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{3527}}^1$

素因数の和:3830

約数の個数: 16

約数和(自身を含む): 33191424

約数和(自身を除く): 11489793

約数列:

[1, 3, 7, 21, 293, 879, 2051, 3527, 6153, 10581, 24689, 74067, 1033411, 3100233, 7233877, 21701631]

約数ペア:

[(1, 21701631), (3, 7233877), (7, 3100233), (21, 1033411), (293, 74067), (879, 24689), (2051, 10581), (3527, 6153)]