21008284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477461}}^1$

素因数の和:477476

約数の個数: 12

約数和(自身を含む): 40106808

約数和(自身を除く): 19098524

約数列:

[1, 2, 4, 11, 22, 44, 477461, 954922, 1909844, 5252071, 10504142, 21008284]

約数ペア:

[(1, 21008284), (2, 10504142), (4, 5252071), (11, 1909844), (22, 954922), (44, 477461)]