21778140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362969}}^1$

素因数の和:362981

約数の個数: 24

約数和(自身を含む): 60978960

約数和(自身を除く): 39200820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362969, 725938, 1088907, 1451876, 1814845, 2177814, 3629690, 4355628, 5444535, 7259380, 10889070, 21778140]

約数ペア:

[(1, 21778140), (2, 10889070), (3, 7259380), (4, 5444535), (5, 4355628), (6, 3629690), (10, 2177814), (12, 1814845), (15, 1451876), (20, 1088907), (30, 725938), (60, 362969)]