2021005

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 2885112

約数和(自身を除く): 864107

約数列:

[1, 5, 7, 35, 49, 73, 113, 245, 365, 511, 565, 791, 2555, 3577, 3955, 5537, 8249, 17885, 27685, 41245, 57743, 288715, 404201, 2021005]

約数ペア:

[(1, 2021005), (5, 404201), (7, 288715), (35, 57743), (49, 41245), (73, 27685), (113, 17885), (245, 8249), (365, 5537), (511, 3955), (565, 3577), (791, 2555)]