21735020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14887}}^1$

素因数の和:14969

約数の個数: 24

約数和(自身を含む): 46271904

約数和(自身を除く): 24536884

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14887, 29774, 59548, 74435, 148870, 297740, 1086751, 2173502, 4347004, 5433755, 10867510, 21735020]

約数ペア:

[(1, 21735020), (2, 10867510), (4, 5433755), (5, 4347004), (10, 2173502), (20, 1086751), (73, 297740), (146, 148870), (292, 74435), (365, 59548), (730, 29774), (1460, 14887)]