11821490

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2269}}^1$

素因数の和:2797

約数の個数: 16

約数和(自身を含む): 21328920

約数和(自身を除く): 9507430

約数列:

[1, 2, 5, 10, 521, 1042, 2269, 2605, 4538, 5210, 11345, 22690, 1182149, 2364298, 5910745, 11821490]

約数ペア:

[(1, 11821490), (2, 5910745), (5, 2364298), (10, 1182149), (521, 22690), (1042, 11345), (2269, 5210), (2605, 4538)]