21316041

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{2713}}^1$

素因数の和:2822

約数の個数: 20

約数和(自身を含む): 32182612

約数和(自身を除く): 10866571

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 2713, 7857, 8139, 24417, 73251, 219753, 263161, 789483, 2368449, 7105347, 21316041]

約数ペア:

[(1, 21316041), (3, 7105347), (9, 2368449), (27, 789483), (81, 263161), (97, 219753), (291, 73251), (873, 24417), (2619, 8139), (2713, 7857)]