21270898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31189}}^1$

素因数の和:31233

約数の個数: 16

約数和(自身を含む): 35930880

約数和(自身を除く): 14659982

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31189, 62378, 343079, 686158, 966859, 1933718, 10635449, 21270898]

約数ペア:

[(1, 21270898), (2, 10635449), (11, 1933718), (22, 966859), (31, 686158), (62, 343079), (341, 62378), (682, 31189)]