21207064

素因数分解:

$2^3\times {\mathrm{823}}^1\times {\mathrm{3221}}^1$

素因数の和:4050

約数の個数: 16

約数和(自身を含む): 39823920

約数和(自身を除く): 18616856

約数列:

[1, 2, 4, 8, 823, 1646, 3221, 3292, 6442, 6584, 12884, 25768, 2650883, 5301766, 10603532, 21207064]

約数ペア:

[(1, 21207064), (2, 10603532), (4, 5301766), (8, 2650883), (823, 25768), (1646, 12884), (3221, 6584), (3292, 6442)]