21230900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7321}}^1$

素因数の和:7364

約数の個数: 36

約数和(自身を含む): 47666220

約数和(自身を除く): 26435320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7321, 14642, 29284, 36605, 73210, 146420, 183025, 212309, 366050, 424618, 732100, 849236, 1061545, 2123090, 4246180, 5307725, 10615450, 21230900]

約数ペア:

[(1, 21230900), (2, 10615450), (4, 5307725), (5, 4246180), (10, 2123090), (20, 1061545), (25, 849236), (29, 732100), (50, 424618), (58, 366050), (100, 212309), (116, 183025), (145, 146420), (290, 73210), (580, 36605), (725, 29284), (1450, 14642), (2900, 7321)]