21421908

素因数分解:

$2^2\times 3^5\times {\mathrm{22039}}^1$

素因数の和:22058

約数の個数: 36

約数和(自身を含む): 56157920

約数和(自身を除く): 34736012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 22039, 44078, 66117, 88156, 132234, 198351, 264468, 396702, 595053, 793404, 1190106, 1785159, 2380212, 3570318, 5355477, 7140636, 10710954, 21421908]

約数ペア:

[(1, 21421908), (2, 10710954), (3, 7140636), (4, 5355477), (6, 3570318), (9, 2380212), (12, 1785159), (18, 1190106), (27, 793404), (36, 595053), (54, 396702), (81, 264468), (108, 198351), (162, 132234), (243, 88156), (324, 66117), (486, 44078), (972, 22039)]