2021189140

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{128411}}^1$

素因数の和:129207

約数の個数: 24

約数和(自身を含む): 4249923552

約数和(自身を除く): 2228734412

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 15740, 128411, 256822, 513644, 642055, 1284110, 2568220, 101059457, 202118914, 404237828, 505297285, 1010594570, 2021189140]

約数ペア:

[(1, 2021189140), (2, 1010594570), (4, 505297285), (5, 404237828), (10, 202118914), (20, 101059457), (787, 2568220), (1574, 1284110), (3148, 642055), (3935, 513644), (7870, 256822), (15740, 128411)]