21000921924

素因数分解:

$2^2\times 3^1\times {\mathrm{4447}}^1\times {\mathrm{393541}}^1$

素因数の和:397995

約数の個数: 24

約数和(自身を含む): 49013294848

約数和(自身を除く): 28012372924

約数列:

[1, 2, 3, 4, 6, 12, 4447, 8894, 13341, 17788, 26682, 53364, 393541, 787082, 1180623, 1574164, 2361246, 4722492, 1750076827, 3500153654, 5250230481, 7000307308, 10500460962, 21000921924]

約数ペア:

[(1, 21000921924), (2, 10500460962), (3, 7000307308), (4, 5250230481), (6, 3500153654), (12, 1750076827), (4447, 4722492), (8894, 2361246), (13341, 1574164), (17788, 1180623), (26682, 787082), (53364, 393541)]