21835880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49627}}^1$

素因数の和:49649

約数の個数: 32

約数和(自身を含む): 53598240

約数和(自身を除く): 31762360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49627, 99254, 198508, 248135, 397016, 496270, 545897, 992540, 1091794, 1985080, 2183588, 2729485, 4367176, 5458970, 10917940, 21835880]

約数ペア:

[(1, 21835880), (2, 10917940), (4, 5458970), (5, 4367176), (8, 2729485), (10, 2183588), (11, 1985080), (20, 1091794), (22, 992540), (40, 545897), (44, 496270), (55, 397016), (88, 248135), (110, 198508), (220, 99254), (440, 49627)]