21350260

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1381}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 44926056

約数和(自身を除く): 23575796

約数列:

[1, 2, 4, 5, 10, 20, 773, 1381, 1546, 2762, 3092, 3865, 5524, 6905, 7730, 13810, 15460, 27620, 1067513, 2135026, 4270052, 5337565, 10675130, 21350260]

約数ペア:

[(1, 21350260), (2, 10675130), (4, 5337565), (5, 4270052), (10, 2135026), (20, 1067513), (773, 27620), (1381, 15460), (1546, 13810), (2762, 7730), (3092, 6905), (3865, 5524)]