21684027

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1093}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 30719520

約数和(自身を除く): 9035493

約数列:

[1, 3, 17, 51, 389, 1093, 1167, 3279, 6613, 18581, 19839, 55743, 425177, 1275531, 7228009, 21684027]

約数ペア:

[(1, 21684027), (3, 7228009), (17, 1275531), (51, 425177), (389, 55743), (1093, 19839), (1167, 18581), (3279, 6613)]