21137288

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21198712

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 232, 248, 899, 1798, 2939, 3596, 5878, 7192, 11756, 23512, 85231, 91109, 170462, 182218, 340924, 364436, 681848, 728872, 2642161, 5284322, 10568644, 21137288]

約数ペア:

[(1, 21137288), (2, 10568644), (4, 5284322), (8, 2642161), (29, 728872), (31, 681848), (58, 364436), (62, 340924), (116, 182218), (124, 170462), (232, 91109), (248, 85231), (899, 23512), (1798, 11756), (2939, 7192), (3596, 5878)]