21857624

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{51551}}^1$

素因数の和:51610

約数の個数: 16

約数和(自身を含む): 41757120

約数和(自身を除く): 19899496

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 51551, 103102, 206204, 412408, 2732203, 5464406, 10928812, 21857624]

約数ペア:

[(1, 21857624), (2, 10928812), (4, 5464406), (8, 2732203), (53, 412408), (106, 206204), (212, 103102), (424, 51551)]