21970670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1307}}^1$

素因数の和:1396

約数の個数: 24

約数和(自身を含む): 40566312

約数和(自身を除く): 18595642

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1307, 1681, 2614, 3362, 6535, 8405, 13070, 16810, 53587, 107174, 267935, 535870, 2197067, 4394134, 10985335, 21970670]

約数ペア:

[(1, 21970670), (2, 10985335), (5, 4394134), (10, 2197067), (41, 535870), (82, 267935), (205, 107174), (410, 53587), (1307, 16810), (1681, 13070), (2614, 8405), (3362, 6535)]