21048097

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{4253}}^1$

素因数の和:4368

約数の個数: 12

約数和(自身を含む): 24732756

約数和(自身を除く): 3684659

約数列:

[1, 7, 49, 101, 707, 4253, 4949, 29771, 208397, 429553, 3006871, 21048097]

約数ペア:

[(1, 21048097), (7, 3006871), (49, 429553), (101, 208397), (707, 29771), (4253, 4949)]