21371434

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52639}}^1$

素因数の和:52677

約数の個数: 16

約数和(自身を含む): 37900800

約数和(自身を除く): 16529366

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52639, 105278, 368473, 736946, 1526531, 3053062, 10685717, 21371434]

約数ペア:

[(1, 21371434), (2, 10685717), (7, 3053062), (14, 1526531), (29, 736946), (58, 368473), (203, 105278), (406, 52639)]