21085908

素因数分解:

$2^2\times 3^1\times {\mathrm{727}}^1\times {\mathrm{2417}}^1$

素因数の和:3151

約数の個数: 24

約数和(自身を含む): 49288512

約数和(自身を除く): 28202604

約数列:

[1, 2, 3, 4, 6, 12, 727, 1454, 2181, 2417, 2908, 4362, 4834, 7251, 8724, 9668, 14502, 29004, 1757159, 3514318, 5271477, 7028636, 10542954, 21085908]

約数ペア:

[(1, 21085908), (2, 10542954), (3, 7028636), (4, 5271477), (6, 3514318), (12, 1757159), (727, 29004), (1454, 14502), (2181, 9668), (2417, 8724), (2908, 7251), (4362, 4834)]