21382408

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6379}}^1$

素因数の和:6804

約数の個数: 16

約数和(自身を含む): 40194000

約数和(自身を除く): 18811592

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6379, 12758, 25516, 51032, 2672801, 5345602, 10691204, 21382408]

約数ペア:

[(1, 21382408), (2, 10691204), (4, 5345602), (8, 2672801), (419, 51032), (838, 25516), (1676, 12758), (3352, 6379)]