21918580

素因数分解:

$2^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1867}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 46132128

約数和(自身を除く): 24213548

約数列:

[1, 2, 4, 5, 10, 20, 587, 1174, 1867, 2348, 2935, 3734, 5870, 7468, 9335, 11740, 18670, 37340, 1095929, 2191858, 4383716, 5479645, 10959290, 21918580]

約数ペア:

[(1, 21918580), (2, 10959290), (4, 5479645), (5, 4383716), (10, 2191858), (20, 1095929), (587, 37340), (1174, 18670), (1867, 11740), (2348, 9335), (2935, 7468), (3734, 5870)]