21232020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353867}}^1$

素因数の和:353879

約数の個数: 24

約数和(自身を含む): 59449824

約数和(自身を除く): 38217804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353867, 707734, 1061601, 1415468, 1769335, 2123202, 3538670, 4246404, 5308005, 7077340, 10616010, 21232020]

約数ペア:

[(1, 21232020), (2, 10616010), (3, 7077340), (4, 5308005), (5, 4246404), (6, 3538670), (10, 2123202), (12, 1769335), (15, 1415468), (20, 1061601), (30, 707734), (60, 353867)]