21284660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46271}}^1$

素因数の和:46303

約数の個数: 24

約数和(自身を含む): 46642176

約数和(自身を除く): 25357516

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46271, 92542, 185084, 231355, 462710, 925420, 1064233, 2128466, 4256932, 5321165, 10642330, 21284660]

約数ペア:

[(1, 21284660), (2, 10642330), (4, 5321165), (5, 4256932), (10, 2128466), (20, 1064233), (23, 925420), (46, 462710), (92, 231355), (115, 185084), (230, 92542), (460, 46271)]