21132468

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27953}}^1$

素因数の和:27973

約数の個数: 48

約数和(自身を含む): 62616960

約数和(自身を除く): 41484492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27953, 55906, 83859, 111812, 167718, 195671, 251577, 335436, 391342, 503154, 587013, 754731, 782684, 1006308, 1174026, 1509462, 1761039, 2348052, 3018924, 3522078, 5283117, 7044156, 10566234, 21132468]

約数ペア:

[(1, 21132468), (2, 10566234), (3, 7044156), (4, 5283117), (6, 3522078), (7, 3018924), (9, 2348052), (12, 1761039), (14, 1509462), (18, 1174026), (21, 1006308), (27, 782684), (28, 754731), (36, 587013), (42, 503154), (54, 391342), (63, 335436), (84, 251577), (108, 195671), (126, 167718), (189, 111812), (252, 83859), (378, 55906), (756, 27953)]