2821518

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{457}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 7144800

約数和(自身を除く): 4323282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 457, 686, 882, 914, 1029, 1371, 2058, 2742, 3087, 3199, 4113, 6174, 6398, 8226, 9597, 19194, 22393, 28791, 44786, 57582, 67179, 134358, 156751, 201537, 313502, 403074, 470253, 940506, 1410759, 2821518]

約数ペア:

[(1, 2821518), (2, 1410759), (3, 940506), (6, 470253), (7, 403074), (9, 313502), (14, 201537), (18, 156751), (21, 134358), (42, 67179), (49, 57582), (63, 44786), (98, 28791), (126, 22393), (147, 19194), (294, 9597), (343, 8226), (441, 6398), (457, 6174), (686, 4113), (882, 3199), (914, 3087), (1029, 2742), (1371, 2058)]