21987648

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 84

約数和(自身を含む): 64190880

約数和(自身を除く): 42203232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 647, 708, 944, 1062, 1294, 1416, 1888, 1941, 2124, 2588, 2832, 3776, 3882, 4248, 5176, 5664, 5823, 7764, 8496, 10352, 11328, 11646, 15528, 16992, 20704, 23292, 31056, 33984, 38173, 41408, 46584, 62112, 76346, 93168, 114519, 124224, 152692, 186336, 229038, 305384, 343557, 372672, 458076, 610768, 687114, 916152, 1221536, 1374228, 1832304, 2443072, 2748456, 3664608, 5496912, 7329216, 10993824, 21987648]

約数ペア:

[(1, 21987648), (2, 10993824), (3, 7329216), (4, 5496912), (6, 3664608), (8, 2748456), (9, 2443072), (12, 1832304), (16, 1374228), (18, 1221536), (24, 916152), (32, 687114), (36, 610768), (48, 458076), (59, 372672), (64, 343557), (72, 305384), (96, 229038), (118, 186336), (144, 152692), (177, 124224), (192, 114519), (236, 93168), (288, 76346), (354, 62112), (472, 46584), (531, 41408), (576, 38173), (647, 33984), (708, 31056), (944, 23292), (1062, 20704), (1294, 16992), (1416, 15528), (1888, 11646), (1941, 11328), (2124, 10352), (2588, 8496), (2832, 7764), (3776, 5823), (3882, 5664), (4248, 5176)]