21332260

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1409}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 44888760

約数和(自身を除く): 23556500

約数列:

[1, 2, 4, 5, 10, 20, 757, 1409, 1514, 2818, 3028, 3785, 5636, 7045, 7570, 14090, 15140, 28180, 1066613, 2133226, 4266452, 5333065, 10666130, 21332260]

約数ペア:

[(1, 21332260), (2, 10666130), (4, 5333065), (5, 4266452), (10, 2133226), (20, 1066613), (757, 28180), (1409, 15140), (1514, 14090), (2818, 7570), (3028, 7045), (3785, 5636)]