21888284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{497461}}^1$

素因数の和:497476

約数の個数: 12

約数和(自身を含む): 41786808

約数和(自身を除く): 19898524

約数列:

[1, 2, 4, 11, 22, 44, 497461, 994922, 1989844, 5472071, 10944142, 21888284]

約数ペア:

[(1, 21888284), (2, 10944142), (4, 5472071), (11, 1989844), (22, 994922), (44, 497461)]