21815464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 44935200

約数和(自身を除く): 23119736

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 157, 314, 628, 1256, 1579, 1727, 3158, 3454, 6316, 6908, 12632, 13816, 17369, 34738, 69476, 138952, 247903, 495806, 991612, 1983224, 2726933, 5453866, 10907732, 21815464]

約数ペア:

[(1, 21815464), (2, 10907732), (4, 5453866), (8, 2726933), (11, 1983224), (22, 991612), (44, 495806), (88, 247903), (157, 138952), (314, 69476), (628, 34738), (1256, 17369), (1579, 13816), (1727, 12632), (3158, 6908), (3454, 6316)]