21070472

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90821}}^1$

素因数の和:90856

約数の個数: 16

約数和(自身を含む): 40869900

約数和(自身を除く): 19799428

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90821, 181642, 363284, 726568, 2633809, 5267618, 10535236, 21070472]

約数ペア:

[(1, 21070472), (2, 10535236), (4, 5267618), (8, 2633809), (29, 726568), (58, 363284), (116, 181642), (232, 90821)]