21870354

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331369}}^1$

素因数の和:331385

約数の個数: 16

約数和(自身を含む): 47717280

約数和(自身を除く): 25846926

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331369, 662738, 994107, 1988214, 3645059, 7290118, 10935177, 21870354]

約数ペア:

[(1, 21870354), (2, 10935177), (3, 7290118), (6, 3645059), (11, 1988214), (22, 994107), (33, 662738), (66, 331369)]