21288610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10487}}^1$

素因数の和:10530

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 24019550

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10487, 20974, 52435, 73409, 104870, 146818, 304123, 367045, 608246, 734090, 1520615, 2128861, 3041230, 4257722, 10644305, 21288610]

約数ペア:

[(1, 21288610), (2, 10644305), (5, 4257722), (7, 3041230), (10, 2128861), (14, 1520615), (29, 734090), (35, 608246), (58, 367045), (70, 304123), (145, 146818), (203, 104870), (290, 73409), (406, 52435), (1015, 20974), (2030, 10487)]