21597914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7621}}^1$

素因数の和:7745

約数の個数: 16

約数和(自身を含む): 35213640

約数和(自身を除く): 13615726

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7621, 15242, 99073, 198146, 830689, 1661378, 10798957, 21597914]

約数ペア:

[(1, 21597914), (2, 10798957), (13, 1661378), (26, 830689), (109, 198146), (218, 99073), (1417, 15242), (2834, 7621)]