21260312

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{16927}}^1$

素因数の和:17090

約数の個数: 16

約数和(自身を含む): 40119360

約数和(自身を除く): 18859048

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 16927, 33854, 67708, 135416, 2657539, 5315078, 10630156, 21260312]

約数ペア:

[(1, 21260312), (2, 10630156), (4, 5315078), (8, 2657539), (157, 135416), (314, 67708), (628, 33854), (1256, 16927)]