21243658

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4391}}^1$

素因数の和:4493

約数の個数: 16

約数和(自身を含む): 33203520

約数和(自身を除く): 11959862

約数列:

[1, 2, 41, 59, 82, 118, 2419, 4391, 4838, 8782, 180031, 259069, 360062, 518138, 10621829, 21243658]

約数ペア:

[(1, 21243658), (2, 10621829), (41, 518138), (59, 360062), (82, 259069), (118, 180031), (2419, 8782), (4391, 4838)]