21217010

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{14051}}^1$

素因数の和:14209

約数の個数: 16

約数和(自身を含む): 38446272

約数和(自身を除く): 17229262

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 14051, 28102, 70255, 140510, 2121701, 4243402, 10608505, 21217010]

約数ペア:

[(1, 21217010), (2, 10608505), (5, 4243402), (10, 2121701), (151, 140510), (302, 70255), (755, 28102), (1510, 14051)]