21420708

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41513}}^1$

素因数の和:41563

約数の個数: 24

約数和(自身を含む): 51145248

約数和(自身を除く): 29724540

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41513, 83026, 124539, 166052, 249078, 498156, 1785059, 3570118, 5355177, 7140236, 10710354, 21420708]

約数ペア:

[(1, 21420708), (2, 10710354), (3, 7140236), (4, 5355177), (6, 3570118), (12, 1785059), (43, 498156), (86, 249078), (129, 166052), (172, 124539), (258, 83026), (516, 41513)]