21710216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246707}}^1$

素因数の和:246724

約数の個数: 16

約数和(自身を含む): 44407440

約数和(自身を除く): 22697224

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246707, 493414, 986828, 1973656, 2713777, 5427554, 10855108, 21710216]

約数ペア:

[(1, 21710216), (2, 10855108), (4, 5427554), (8, 2713777), (11, 1973656), (22, 986828), (44, 493414), (88, 246707)]