21881292

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{2221}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 51141552

約数和(自身を除く): 29260260

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2221, 2463, 3284, 4442, 4926, 6663, 8884, 9852, 13326, 26652, 1823441, 3646882, 5470323, 7293764, 10940646, 21881292]

約数ペア:

[(1, 21881292), (2, 10940646), (3, 7293764), (4, 5470323), (6, 3646882), (12, 1823441), (821, 26652), (1642, 13326), (2221, 9852), (2463, 8884), (3284, 6663), (4442, 4926)]