21855856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124181}}^1$

素因数の和:124200

約数の個数: 20

約数和(自身を含む): 46195704

約数和(自身を除く): 24339848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124181, 248362, 496724, 993448, 1365991, 1986896, 2731982, 5463964, 10927928, 21855856]

約数ペア:

[(1, 21855856), (2, 10927928), (4, 5463964), (8, 2731982), (11, 1986896), (16, 1365991), (22, 993448), (44, 496724), (88, 248362), (176, 124181)]