21188585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2017}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 27896832

約数和(自身を除く): 6708247

約数列:

[1, 5, 11, 55, 191, 955, 2017, 2101, 10085, 10505, 22187, 110935, 385247, 1926235, 4237717, 21188585]

約数ペア:

[(1, 21188585), (5, 4237717), (11, 1926235), (55, 385247), (191, 110935), (955, 22187), (2017, 10505), (2101, 10085)]