21423655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2083}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 29934576

約数和(自身を除く): 8510921

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 2083, 10285, 10415, 22913, 35411, 114565, 177055, 252043, 389521, 1260215, 1947605, 4284731, 21423655]

約数ペア:

[(1, 21423655), (5, 4284731), (11, 1947605), (17, 1260215), (55, 389521), (85, 252043), (121, 177055), (187, 114565), (605, 35411), (935, 22913), (2057, 10415), (2083, 10285)]