21994792

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{6379}}^1$

素因数の和:6816

約数の個数: 16

約数和(自身を含む): 41342400

約数和(自身を除く): 19347608

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 6379, 12758, 25516, 51032, 2749349, 5498698, 10997396, 21994792]

約数ペア:

[(1, 21994792), (2, 10997396), (4, 5498698), (8, 2749349), (431, 51032), (862, 25516), (1724, 12758), (3448, 6379)]