21296812

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{22277}}^1$

素因数の和:22520

約数の個数: 12

約数和(自身を含む): 37427040

約数和(自身を除く): 16130228

約数列:

[1, 2, 4, 239, 478, 956, 22277, 44554, 89108, 5324203, 10648406, 21296812]

約数ペア:

[(1, 21296812), (2, 10648406), (4, 5324203), (239, 89108), (478, 44554), (956, 22277)]