21091746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270407}}^1$

素因数の和:270425

約数の個数: 16

約数和(自身を含む): 45428544

約数和(自身を除く): 24336798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270407, 540814, 811221, 1622442, 3515291, 7030582, 10545873, 21091746]

約数ペア:

[(1, 21091746), (2, 10545873), (3, 7030582), (6, 3515291), (13, 1622442), (26, 811221), (39, 540814), (78, 270407)]