21164108

素因数分解:

$2^2\times 7^1\times {\mathrm{755861}}^1$

素因数の和:755872

約数の個数: 12

約数和(自身を含む): 42328272

約数和(自身を除く): 21164164

約数列:

[1, 2, 4, 7, 14, 28, 755861, 1511722, 3023444, 5291027, 10582054, 21164108]

約数ペア:

[(1, 21164108), (2, 10582054), (4, 5291027), (7, 3023444), (14, 1511722), (28, 755861)]