21816476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{495829}}^1$

素因数の和:495844

約数の個数: 12

約数和(自身を含む): 41649720

約数和(自身を除く): 19833244

約数列:

[1, 2, 4, 11, 22, 44, 495829, 991658, 1983316, 5454119, 10908238, 21816476]

約数ペア:

[(1, 21816476), (2, 10908238), (4, 5454119), (11, 1983316), (22, 991658), (44, 495829)]