21785060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99023}}^1$

素因数の和:99043

約数の個数: 24

約数和(自身を含む): 49908096

約数和(自身を除く): 28123036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99023, 198046, 396092, 495115, 990230, 1089253, 1980460, 2178506, 4357012, 5446265, 10892530, 21785060]

約数ペア:

[(1, 21785060), (2, 10892530), (4, 5446265), (5, 4357012), (10, 2178506), (11, 1980460), (20, 1089253), (22, 990230), (44, 495115), (55, 396092), (110, 198046), (220, 99023)]