21725588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1597}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 40269600

約数和(自身を除く): 18544012

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 1597, 3194, 3401, 6388, 6802, 13604, 30343, 60686, 121372, 285863, 571726, 1143452, 5431397, 10862794, 21725588]

約数ペア:

[(1, 21725588), (2, 10862794), (4, 5431397), (19, 1143452), (38, 571726), (76, 285863), (179, 121372), (358, 60686), (716, 30343), (1597, 13604), (3194, 6802), (3401, 6388)]