21032055

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4721}}^1$

素因数の和:4749

約数の個数: 40

約数和(自身を含む): 41138064

約数和(自身を除く): 20106009

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4721, 14163, 23605, 42489, 51931, 70815, 127467, 155793, 212445, 259655, 382401, 467379, 637335, 778965, 1402137, 1912005, 2336895, 4206411, 7010685, 21032055]

約数ペア:

[(1, 21032055), (3, 7010685), (5, 4206411), (9, 2336895), (11, 1912005), (15, 1402137), (27, 778965), (33, 637335), (45, 467379), (55, 382401), (81, 259655), (99, 212445), (135, 155793), (165, 127467), (297, 70815), (405, 51931), (495, 42489), (891, 23605), (1485, 14163), (4455, 4721)]