21400318

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1531}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 33366960

約数和(自身を除く): 11966642

約数列:

[1, 2, 29, 58, 241, 482, 1531, 3062, 6989, 13978, 44399, 88798, 368971, 737942, 10700159, 21400318]

約数ペア:

[(1, 21400318), (2, 10700159), (29, 737942), (58, 368971), (241, 88798), (482, 44399), (1531, 13978), (3062, 6989)]