21101740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95917}}^1$

素因数の和:95937

約数の個数: 24

約数和(自身を含む): 48342672

約数和(自身を除く): 27240932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95917, 191834, 383668, 479585, 959170, 1055087, 1918340, 2110174, 4220348, 5275435, 10550870, 21101740]

約数ペア:

[(1, 21101740), (2, 10550870), (4, 5275435), (5, 4220348), (10, 2110174), (11, 1918340), (20, 1055087), (22, 959170), (44, 479585), (55, 383668), (110, 191834), (220, 95917)]