21994995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{133303}}^1$

素因数の和:133322

約数の個数: 16

約数和(自身を含む): 38391552

約数和(自身を除く): 16396557

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 133303, 399909, 666515, 1466333, 1999545, 4398999, 7331665, 21994995]

約数ペア:

[(1, 21994995), (3, 7331665), (5, 4398999), (11, 1999545), (15, 1466333), (33, 666515), (55, 399909), (165, 133303)]