21949744

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2411}}^1$

素因数の和:2988

約数の個数: 20

約数和(自身を含む): 42620040

約数和(自身を除く): 20670296

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 2411, 4552, 4822, 9104, 9644, 19288, 38576, 1371859, 2743718, 5487436, 10974872, 21949744]

約数ペア:

[(1, 21949744), (2, 10974872), (4, 5487436), (8, 2743718), (16, 1371859), (569, 38576), (1138, 19288), (2276, 9644), (2411, 9104), (4552, 4822)]