21550009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 25009600

約数和(自身を除く): 3459591

約数列:

[1, 13, 19, 43, 247, 559, 817, 2029, 10621, 26377, 38551, 87247, 501163, 1134211, 1657693, 21550009]

約数ペア:

[(1, 21550009), (13, 1657693), (19, 1134211), (43, 501163), (247, 87247), (559, 38551), (817, 26377), (2029, 10621)]