21606530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2314

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21316990

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2207, 4414, 4895, 9790, 11035, 22070, 24277, 48554, 121385, 196423, 242770, 392846, 982115, 1964230, 2160653, 4321306, 10803265, 21606530]

約数ペア:

[(1, 21606530), (2, 10803265), (5, 4321306), (10, 2160653), (11, 1964230), (22, 982115), (55, 392846), (89, 242770), (110, 196423), (178, 121385), (445, 48554), (890, 24277), (979, 22070), (1958, 11035), (2207, 9790), (4414, 4895)]