22891090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21001}}^1$

素因数の和:21117

約数の個数: 16

約数和(自身を含む): 41583960

約数和(自身を除く): 18692870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 21001, 42002, 105005, 210010, 2289109, 4578218, 11445545, 22891090]

約数ペア:

[(1, 22891090), (2, 11445545), (5, 4578218), (10, 2289109), (109, 210010), (218, 105005), (545, 42002), (1090, 21001)]