21057812

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{22027}}^1$

素因数の和:22270

約数の個数: 12

約数和(自身を含む): 37007040

約数和(自身を除く): 15949228

約数列:

[1, 2, 4, 239, 478, 956, 22027, 44054, 88108, 5264453, 10528906, 21057812]

約数ペア:

[(1, 21057812), (2, 10528906), (4, 5264453), (239, 88108), (478, 44054), (956, 22027)]