21582740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46919}}^1$

素因数の和:46951

約数の個数: 24

約数和(自身を含む): 47295360

約数和(自身を除く): 25712620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46919, 93838, 187676, 234595, 469190, 938380, 1079137, 2158274, 4316548, 5395685, 10791370, 21582740]

約数ペア:

[(1, 21582740), (2, 10791370), (4, 5395685), (5, 4316548), (10, 2158274), (20, 1079137), (23, 938380), (46, 469190), (92, 234595), (115, 187676), (230, 93838), (460, 46919)]