21815270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94849}}^1$

素因数の和:94879

約数の個数: 16

約数和(自身を含む): 40975200

約数和(自身を除く): 19159930

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94849, 189698, 474245, 948490, 2181527, 4363054, 10907635, 21815270]

約数ペア:

[(1, 21815270), (2, 10907635), (5, 4363054), (10, 2181527), (23, 948490), (46, 474245), (115, 189698), (230, 94849)]