21036620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95621}}^1$

素因数の和:95641

約数の個数: 24

約数和(自身を含む): 48193488

約数和(自身を除く): 27156868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95621, 191242, 382484, 478105, 956210, 1051831, 1912420, 2103662, 4207324, 5259155, 10518310, 21036620]

約数ペア:

[(1, 21036620), (2, 10518310), (4, 5259155), (5, 4207324), (10, 2103662), (11, 1912420), (20, 1051831), (22, 956210), (44, 478105), (55, 382484), (110, 191242), (220, 95621)]