2521638

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{953}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 6525360

約数和(自身を除く): 4003722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 953, 1323, 1906, 2646, 2859, 5718, 6671, 8577, 13342, 17154, 20013, 25731, 40026, 46697, 51462, 60039, 93394, 120078, 140091, 180117, 280182, 360234, 420273, 840546, 1260819, 2521638]

約数ペア:

[(1, 2521638), (2, 1260819), (3, 840546), (6, 420273), (7, 360234), (9, 280182), (14, 180117), (18, 140091), (21, 120078), (27, 93394), (42, 60039), (49, 51462), (54, 46697), (63, 40026), (98, 25731), (126, 20013), (147, 17154), (189, 13342), (294, 8577), (378, 6671), (441, 5718), (882, 2859), (953, 2646), (1323, 1906)]