21830412

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42307}}^1$

素因数の和:42357

約数の個数: 24

約数和(自身を含む): 52123456

約数和(自身を除く): 30293044

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42307, 84614, 126921, 169228, 253842, 507684, 1819201, 3638402, 5457603, 7276804, 10915206, 21830412]

約数ペア:

[(1, 21830412), (2, 10915206), (3, 7276804), (4, 5457603), (6, 3638402), (12, 1819201), (43, 507684), (86, 253842), (129, 169228), (172, 126921), (258, 84614), (516, 42307)]