21450418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2221}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 35196480

約数和(自身を除く): 13746062

約数列:

[1, 2, 11, 22, 439, 878, 2221, 4442, 4829, 9658, 24431, 48862, 975019, 1950038, 10725209, 21450418]

約数ペア:

[(1, 21450418), (2, 10725209), (11, 1950038), (22, 975019), (439, 48862), (878, 24431), (2221, 9658), (4442, 4829)]