2181438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 5760000

約数和(自身を除く): 3578562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 199, 203, 261, 378, 398, 406, 522, 597, 609, 783, 1194, 1218, 1393, 1566, 1791, 1827, 2786, 3582, 3654, 4179, 5373, 5481, 5771, 8358, 10746, 10962, 11542, 12537, 17313, 25074, 34626, 37611, 40397, 51939, 75222, 80794, 103878, 121191, 155817, 242382, 311634, 363573, 727146, 1090719, 2181438]

約数ペア:

[(1, 2181438), (2, 1090719), (3, 727146), (6, 363573), (7, 311634), (9, 242382), (14, 155817), (18, 121191), (21, 103878), (27, 80794), (29, 75222), (42, 51939), (54, 40397), (58, 37611), (63, 34626), (87, 25074), (126, 17313), (174, 12537), (189, 11542), (199, 10962), (203, 10746), (261, 8358), (378, 5771), (398, 5481), (406, 5373), (522, 4179), (597, 3654), (609, 3582), (783, 2786), (1194, 1827), (1218, 1791), (1393, 1566)]