21320806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 35456400

約数和(自身を除く): 14135594

約数列:

[1, 2, 13, 26, 37, 74, 481, 599, 962, 1198, 1369, 2738, 7787, 15574, 17797, 22163, 35594, 44326, 288119, 576238, 820031, 1640062, 10660403, 21320806]

約数ペア:

[(1, 21320806), (2, 10660403), (13, 1640062), (26, 820031), (37, 576238), (74, 288119), (481, 44326), (599, 35594), (962, 22163), (1198, 17797), (1369, 15574), (2738, 7787)]