21203534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2543}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 34801920

約数和(自身を除く): 13598386

約数列:

[1, 2, 11, 22, 379, 758, 2543, 4169, 5086, 8338, 27973, 55946, 963797, 1927594, 10601767, 21203534]

約数ペア:

[(1, 21203534), (2, 10601767), (11, 1927594), (22, 963797), (379, 55946), (758, 27973), (2543, 8338), (4169, 5086)]