21238202

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7907}}^1$

素因数の和:8005

約数の個数: 16

約数和(自身を含む): 34162560

約数和(自身を除く): 12924358

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7907, 15814, 134419, 268838, 624653, 1249306, 10619101, 21238202]

約数ペア:

[(1, 21238202), (2, 10619101), (17, 1249306), (34, 624653), (79, 268838), (158, 134419), (1343, 15814), (2686, 7907)]