21108340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95947}}^1$

素因数の和:95967

約数の個数: 24

約数和(自身を含む): 48357792

約数和(自身を除く): 27249452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95947, 191894, 383788, 479735, 959470, 1055417, 1918940, 2110834, 4221668, 5277085, 10554170, 21108340]

約数ペア:

[(1, 21108340), (2, 10554170), (4, 5277085), (5, 4221668), (10, 2110834), (11, 1918940), (20, 1055417), (22, 959470), (44, 479735), (55, 383788), (110, 191894), (220, 95947)]