21859816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248407}}^1$

素因数の和:248424

約数の個数: 16

約数和(自身を含む): 44713440

約数和(自身を除く): 22853624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248407, 496814, 993628, 1987256, 2732477, 5464954, 10929908, 21859816]

約数ペア:

[(1, 21859816), (2, 10929908), (4, 5464954), (8, 2732477), (11, 1987256), (22, 993628), (44, 496814), (88, 248407)]