21964041

素因数分解:

$3^7\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 36644160

約数和(自身を除く): 14680119

約数列:

[1, 3, 9, 11, 27, 33, 81, 83, 99, 121, 243, 249, 297, 363, 729, 747, 891, 913, 1089, 2187, 2241, 2673, 2739, 3267, 6723, 8019, 8217, 9801, 10043, 20169, 24057, 24651, 29403, 30129, 60507, 73953, 88209, 90387, 181521, 221859, 264627, 271161, 665577, 813483, 1996731, 2440449, 7321347, 21964041]

約数ペア:

[(1, 21964041), (3, 7321347), (9, 2440449), (11, 1996731), (27, 813483), (33, 665577), (81, 271161), (83, 264627), (99, 221859), (121, 181521), (243, 90387), (249, 88209), (297, 73953), (363, 60507), (729, 30129), (747, 29403), (891, 24651), (913, 24057), (1089, 20169), (2187, 10043), (2241, 9801), (2673, 8217), (2739, 8019), (3267, 6723)]