21956197

素因数分解:

${\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 16

約数和(自身を含む): 24116400

約数和(自身を除く): 2160203

約数列:

[1, 17, 41, 109, 289, 697, 1853, 4469, 4913, 11849, 31501, 75973, 201433, 535517, 1291541, 21956197]

約数ペア:

[(1, 21956197), (17, 1291541), (41, 535517), (109, 201433), (289, 75973), (697, 31501), (1853, 11849), (4469, 4913)]