21938018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1069}}^1$

素因数の和:1433

約数の個数: 16

約数和(自身を含む): 34103040

約数和(自身を除く): 12165022

約数列:

[1, 2, 31, 62, 331, 662, 1069, 2138, 10261, 20522, 33139, 66278, 353839, 707678, 10969009, 21938018]

約数ペア:

[(1, 21938018), (2, 10969009), (31, 707678), (62, 353839), (331, 66278), (662, 33139), (1069, 20522), (2138, 10261)]