21472180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37021}}^1$

素因数の和:37059

約数の個数: 24

約数和(自身を含む): 46647720

約数和(自身を除く): 25175540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37021, 74042, 148084, 185105, 370210, 740420, 1073609, 2147218, 4294436, 5368045, 10736090, 21472180]

約数ペア:

[(1, 21472180), (2, 10736090), (4, 5368045), (5, 4294436), (10, 2147218), (20, 1073609), (29, 740420), (58, 370210), (116, 185105), (145, 148084), (290, 74042), (580, 37021)]