21641270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3061}}^1$

素因数の和:3176

約数の個数: 32

約数和(自身を含む): 44974656

約数和(自身を除く): 23333386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3061, 3535, 6122, 7070, 15305, 21427, 30610, 42854, 107135, 214270, 309161, 618322, 1545805, 2164127, 3091610, 4328254, 10820635, 21641270]

約数ペア:

[(1, 21641270), (2, 10820635), (5, 4328254), (7, 3091610), (10, 2164127), (14, 1545805), (35, 618322), (70, 309161), (101, 214270), (202, 107135), (505, 42854), (707, 30610), (1010, 21427), (1414, 15305), (3061, 7070), (3535, 6122)]