21860740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99367}}^1$

素因数の和:99387

約数の個数: 24

約数和(自身を含む): 50081472

約数和(自身を除く): 28220732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99367, 198734, 397468, 496835, 993670, 1093037, 1987340, 2186074, 4372148, 5465185, 10930370, 21860740]

約数ペア:

[(1, 21860740), (2, 10930370), (4, 5465185), (5, 4372148), (10, 2186074), (11, 1987340), (20, 1093037), (22, 993670), (44, 496835), (55, 397468), (110, 198734), (220, 99367)]