21371030

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{14153}}^1$

素因数の和:14311

約数の個数: 16

約数和(自身を含む): 38725344

約数和(自身を除く): 17354314

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 14153, 28306, 70765, 141530, 2137103, 4274206, 10685515, 21371030]

約数ペア:

[(1, 21371030), (2, 10685515), (5, 4274206), (10, 2137103), (151, 141530), (302, 70765), (755, 28306), (1510, 14153)]