21896468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1621}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 41964384

約数和(自身を除く): 20067916

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1621, 3242, 3377, 6484, 6754, 13508, 17831, 35662, 71324, 497647, 995294, 1990588, 5474117, 10948234, 21896468]

約数ペア:

[(1, 21896468), (2, 10948234), (4, 5474117), (11, 1990588), (22, 995294), (44, 497647), (307, 71324), (614, 35662), (1228, 17831), (1621, 13508), (3242, 6754), (3377, 6484)]