21110408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5851}}^1$

素因数の和:5909

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 23130712

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5851, 11702, 23404, 46808, 64361, 128722, 239891, 257444, 479782, 514888, 959564, 1919128, 2638801, 5277602, 10555204, 21110408]

約数ペア:

[(1, 21110408), (2, 10555204), (4, 5277602), (8, 2638801), (11, 1919128), (22, 959564), (41, 514888), (44, 479782), (82, 257444), (88, 239891), (164, 128722), (328, 64361), (451, 46808), (902, 23404), (1804, 11702), (3608, 5851)]