21453204

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4091}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 33543276

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 4091, 5244, 8182, 12273, 16364, 24546, 49092, 77729, 94093, 155458, 188186, 233187, 282279, 310916, 376372, 466374, 564558, 932748, 1129116, 1787767, 3575534, 5363301, 7151068, 10726602, 21453204]

約数ペア:

[(1, 21453204), (2, 10726602), (3, 7151068), (4, 5363301), (6, 3575534), (12, 1787767), (19, 1129116), (23, 932748), (38, 564558), (46, 466374), (57, 376372), (69, 310916), (76, 282279), (92, 233187), (114, 188186), (138, 155458), (228, 94093), (276, 77729), (437, 49092), (874, 24546), (1311, 16364), (1748, 12273), (2622, 8182), (4091, 5244)]