21274923

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 28837760

約数和(自身を除く): 7562837

約数列:

[1, 3, 139, 163, 313, 417, 489, 939, 22657, 43507, 51019, 67971, 130521, 153057, 7091641, 21274923]

約数ペア:

[(1, 21274923), (3, 7091641), (139, 153057), (163, 130521), (313, 67971), (417, 51019), (489, 43507), (939, 22657)]