21203508

素因数分解:

$2^2\times 3^1\times {\mathrm{499}}^1\times {\mathrm{3541}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 49588000

約数和(自身を除く): 28384492

約数列:

[1, 2, 3, 4, 6, 12, 499, 998, 1497, 1996, 2994, 3541, 5988, 7082, 10623, 14164, 21246, 42492, 1766959, 3533918, 5300877, 7067836, 10601754, 21203508]

約数ペア:

[(1, 21203508), (2, 10601754), (3, 7067836), (4, 5300877), (6, 3533918), (12, 1766959), (499, 42492), (998, 21246), (1497, 14164), (1996, 10623), (2994, 7082), (3541, 5988)]