21062604

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40819}}^1$

素因数の和:40869

約数の個数: 24

約数和(自身を含む): 50290240

約数和(自身を除く): 29227636

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40819, 81638, 122457, 163276, 244914, 489828, 1755217, 3510434, 5265651, 7020868, 10531302, 21062604]

約数ペア:

[(1, 21062604), (2, 10531302), (3, 7020868), (4, 5265651), (6, 3510434), (12, 1755217), (43, 489828), (86, 244914), (129, 163276), (172, 122457), (258, 81638), (516, 40819)]