21226060

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1093}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 44661456

約数和(自身を除く): 23435396

約数列:

[1, 2, 4, 5, 10, 20, 971, 1093, 1942, 2186, 3884, 4372, 4855, 5465, 9710, 10930, 19420, 21860, 1061303, 2122606, 4245212, 5306515, 10613030, 21226060]

約数ペア:

[(1, 21226060), (2, 10613030), (4, 5306515), (5, 4245212), (10, 2122606), (20, 1061303), (971, 21860), (1093, 19420), (1942, 10930), (2186, 9710), (3884, 5465), (4372, 4855)]