21057740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95717}}^1$

素因数の和:95737

約数の個数: 24

約数和(自身を含む): 48241872

約数和(自身を除く): 27184132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95717, 191434, 382868, 478585, 957170, 1052887, 1914340, 2105774, 4211548, 5264435, 10528870, 21057740]

約数ペア:

[(1, 21057740), (2, 10528870), (4, 5264435), (5, 4211548), (10, 2105774), (11, 1914340), (20, 1052887), (22, 957170), (44, 478585), (55, 382868), (110, 191434), (220, 95717)]