21778504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{941}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 44763840

約数和(自身を除く): 22985336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 941, 1052, 1882, 2104, 2893, 3764, 5786, 7528, 10351, 11572, 20702, 23144, 41404, 82808, 247483, 494966, 989932, 1979864, 2722313, 5444626, 10889252, 21778504]

約数ペア:

[(1, 21778504), (2, 10889252), (4, 5444626), (8, 2722313), (11, 1979864), (22, 989932), (44, 494966), (88, 247483), (263, 82808), (526, 41404), (941, 23144), (1052, 20702), (1882, 11572), (2104, 10351), (2893, 7528), (3764, 5786)]