21286084

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 16767932

約数列:

[1, 2, 4, 71, 142, 241, 284, 311, 482, 622, 964, 1244, 17111, 22081, 34222, 44162, 68444, 74951, 88324, 149902, 299804, 5321521, 10643042, 21286084]

約数ペア:

[(1, 21286084), (2, 10643042), (4, 5321521), (71, 299804), (142, 149902), (241, 88324), (284, 74951), (311, 68444), (482, 44162), (622, 34222), (964, 22081), (1244, 17111)]