21817367540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10800677}}^1$

素因数の和:10800787

約数の個数: 24

約数和(自身を含む): 46270104552

約数和(自身を除く): 24452737012

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10800677, 21601354, 43202708, 54003385, 108006770, 216013540, 1090868377, 2181736754, 4363473508, 5454341885, 10908683770, 21817367540]

約数ペア:

[(1, 21817367540), (2, 10908683770), (4, 5454341885), (5, 4363473508), (10, 2181736754), (20, 1090868377), (101, 216013540), (202, 108006770), (404, 54003385), (505, 43202708), (1010, 21601354), (2020, 10800677)]