21712593

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1613}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 33158016

約数和(自身を除く): 11445423

約数列:

[1, 3, 7, 21, 641, 1613, 1923, 4487, 4839, 11291, 13461, 33873, 1033933, 3101799, 7237531, 21712593]

約数ペア:

[(1, 21712593), (3, 7237531), (7, 3101799), (21, 1033933), (641, 33873), (1613, 13461), (1923, 11291), (4487, 4839)]