21675020

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2953}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 45657024

約数和(自身を除く): 23982004

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2953, 3670, 5906, 7340, 11812, 14765, 29530, 59060, 1083751, 2167502, 4335004, 5418755, 10837510, 21675020]

約数ペア:

[(1, 21675020), (2, 10837510), (4, 5418755), (5, 4335004), (10, 2167502), (20, 1083751), (367, 59060), (734, 29530), (1468, 14765), (1835, 11812), (2953, 7340), (3670, 5906)]