21282140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96737}}^1$

素因数の和:96757

約数の個数: 24

約数和(自身を含む): 48755952

約数和(自身を除く): 27473812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96737, 193474, 386948, 483685, 967370, 1064107, 1934740, 2128214, 4256428, 5320535, 10641070, 21282140]

約数ペア:

[(1, 21282140), (2, 10641070), (4, 5320535), (5, 4256428), (10, 2128214), (11, 1934740), (20, 1064107), (22, 967370), (44, 483685), (55, 386948), (110, 193474), (220, 96737)]