21129294

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{95177}}^1$

素因数の和:95219

約数の個数: 16

約数和(自身を含む): 43401168

約数和(自身を除く): 22271874

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 95177, 190354, 285531, 571062, 3521549, 7043098, 10564647, 21129294]

約数ペア:

[(1, 21129294), (2, 10564647), (3, 7043098), (6, 3521549), (37, 571062), (74, 285531), (111, 190354), (222, 95177)]