21050222

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2923

約数の個数: 16

約数和(自身を含む): 32635872

約数和(自身を除く): 11585650

約数列:

[1, 2, 53, 71, 106, 142, 2797, 3763, 5594, 7526, 148241, 198587, 296482, 397174, 10525111, 21050222]

約数ペア:

[(1, 21050222), (2, 10525111), (53, 397174), (71, 296482), (106, 198587), (142, 148241), (2797, 7526), (3763, 5594)]