21226814

素因数分解:

$2^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1721}}^1$

素因数の和:2611

約数の個数: 16

約数和(自身を含む): 36451296

約数和(自身を除く): 15224482

約数列:

[1, 2, 7, 14, 881, 1721, 1762, 3442, 6167, 12047, 12334, 24094, 1516201, 3032402, 10613407, 21226814]

約数ペア:

[(1, 21226814), (2, 10613407), (7, 3032402), (14, 1516201), (881, 24094), (1721, 12334), (1762, 12047), (3442, 6167)]