21593800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1069}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 50750100

約数和(自身を除く): 29156300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1069, 2020, 2138, 2525, 4040, 4276, 5050, 5345, 8552, 10100, 10690, 20200, 21380, 26725, 42760, 53450, 106900, 107969, 213800, 215938, 431876, 539845, 863752, 1079690, 2159380, 2699225, 4318760, 5398450, 10796900, 21593800]

約数ペア:

[(1, 21593800), (2, 10796900), (4, 5398450), (5, 4318760), (8, 2699225), (10, 2159380), (20, 1079690), (25, 863752), (40, 539845), (50, 431876), (100, 215938), (101, 213800), (200, 107969), (202, 106900), (404, 53450), (505, 42760), (808, 26725), (1010, 21380), (1069, 20200), (2020, 10690), (2138, 10100), (2525, 8552), (4040, 5345), (4276, 5050)]