21824719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 26554176

約数和(自身を除く): 4729457

約数列:

[1, 7, 17, 119, 241, 761, 1687, 4097, 5327, 12937, 28679, 90559, 183401, 1283807, 3117817, 21824719]

約数ペア:

[(1, 21824719), (7, 3117817), (17, 1283807), (119, 183401), (241, 90559), (761, 28679), (1687, 12937), (4097, 5327)]