21670540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37363}}^1$

素因数の和:37401

約数の個数: 24

約数和(自身を含む): 47078640

約数和(自身を除く): 25408100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37363, 74726, 149452, 186815, 373630, 747260, 1083527, 2167054, 4334108, 5417635, 10835270, 21670540]

約数ペア:

[(1, 21670540), (2, 10835270), (4, 5417635), (5, 4334108), (10, 2167054), (20, 1083527), (29, 747260), (58, 373630), (116, 186815), (145, 149452), (290, 74726), (580, 37363)]