21238524

素因数分解:

$2^2\times 3^4\times {\mathrm{65551}}^1$

素因数の和:65567

約数の個数: 30

約数和(自身を含む): 55522544

約数和(自身を除く): 34284020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65551, 131102, 196653, 262204, 393306, 589959, 786612, 1179918, 1769877, 2359836, 3539754, 5309631, 7079508, 10619262, 21238524]

約数ペア:

[(1, 21238524), (2, 10619262), (3, 7079508), (4, 5309631), (6, 3539754), (9, 2359836), (12, 1769877), (18, 1179918), (27, 786612), (36, 589959), (54, 393306), (81, 262204), (108, 196653), (162, 131102), (324, 65551)]