21885430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10781}}^1$

素因数の和:10824

約数の個数: 32

約数和(自身を含む): 46578240

約数和(自身を除く): 24692810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10781, 21562, 53905, 75467, 107810, 150934, 312649, 377335, 625298, 754670, 1563245, 2188543, 3126490, 4377086, 10942715, 21885430]

約数ペア:

[(1, 21885430), (2, 10942715), (5, 4377086), (7, 3126490), (10, 2188543), (14, 1563245), (29, 754670), (35, 625298), (58, 377335), (70, 312649), (145, 150934), (203, 107810), (290, 75467), (406, 53905), (1015, 21562), (2030, 10781)]