21344620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97021}}^1$

素因数の和:97041

約数の個数: 24

約数和(自身を含む): 48899088

約数和(自身を除く): 27554468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97021, 194042, 388084, 485105, 970210, 1067231, 1940420, 2134462, 4268924, 5336155, 10672310, 21344620]

約数ペア:

[(1, 21344620), (2, 10672310), (4, 5336155), (5, 4268924), (10, 2134462), (11, 1940420), (20, 1067231), (22, 970210), (44, 485105), (55, 388084), (110, 194042), (220, 97021)]