21065614

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 32467248

約数和(自身を除く): 11401634

約数列:

[1, 2, 43, 86, 397, 617, 794, 1234, 17071, 26531, 34142, 53062, 244949, 489898, 10532807, 21065614]

約数ペア:

[(1, 21065614), (2, 10532807), (43, 489898), (86, 244949), (397, 53062), (617, 34142), (794, 26531), (1234, 17071)]