21126326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28019}}^1$

素因数の和:28063

約数の個数: 16

約数和(自身を含む): 35305200

約数和(自身を除く): 14178874

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 28019, 56038, 364247, 728494, 812551, 1625102, 10563163, 21126326]

約数ペア:

[(1, 21126326), (2, 10563163), (13, 1625102), (26, 812551), (29, 728494), (58, 364247), (377, 56038), (754, 28019)]