21962072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 45377280

約数和(自身を除く): 23415208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2423, 4532, 4846, 9064, 9692, 19384, 26653, 53306, 106612, 213224, 249569, 499138, 998276, 1996552, 2745259, 5490518, 10981036, 21962072]

約数ペア:

[(1, 21962072), (2, 10981036), (4, 5490518), (8, 2745259), (11, 1996552), (22, 998276), (44, 499138), (88, 249569), (103, 213224), (206, 106612), (412, 53306), (824, 26653), (1133, 19384), (2266, 9692), (2423, 9064), (4532, 4846)]