21968045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3049}}^1$

素因数の和:3196

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 7019155

約数列:

[1, 5, 11, 55, 131, 655, 1441, 3049, 7205, 15245, 33539, 167695, 399419, 1997095, 4393609, 21968045]

約数ペア:

[(1, 21968045), (5, 4393609), (11, 1997095), (55, 399419), (131, 167695), (655, 33539), (1441, 15245), (3049, 7205)]