21074963

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2293}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 26206656

約数和(自身を除く): 5131693

約数列:

[1, 7, 13, 91, 101, 707, 1313, 2293, 9191, 16051, 29809, 208663, 231593, 1621151, 3010709, 21074963]

約数ペア:

[(1, 21074963), (7, 3010709), (13, 1621151), (91, 231593), (101, 208663), (707, 29809), (1313, 16051), (2293, 9191)]