21373443

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8699}}^1$

素因数の和:8728

約数の個数: 32

約数和(自身を含む): 38976000

約数和(自身を除く): 17602557

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8699, 26097, 60893, 78291, 113087, 182679, 234873, 339261, 548037, 791609, 1017783, 1644111, 2374827, 3053349, 7124481, 21373443]

約数ペア:

[(1, 21373443), (3, 7124481), (7, 3053349), (9, 2374827), (13, 1644111), (21, 1017783), (27, 791609), (39, 548037), (63, 339261), (91, 234873), (117, 182679), (189, 113087), (273, 78291), (351, 60893), (819, 26097), (2457, 8699)]