21899012

素因数分解:

$2^2\times {\mathrm{557}}^1\times {\mathrm{9829}}^1$

素因数の和:10390

約数の個数: 12

約数和(自身を含む): 38395980

約数和(自身を除く): 16496968

約数列:

[1, 2, 4, 557, 1114, 2228, 9829, 19658, 39316, 5474753, 10949506, 21899012]

約数ペア:

[(1, 21899012), (2, 10949506), (4, 5474753), (557, 39316), (1114, 19658), (2228, 9829)]