21450816

素因数分解:

$2^6\times 3^2\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 84

約数和(自身を含む): 62130432

約数和(自身を除く): 40679616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 167, 192, 223, 288, 334, 446, 501, 576, 668, 669, 892, 1002, 1336, 1338, 1503, 1784, 2004, 2007, 2672, 2676, 3006, 3568, 4008, 4014, 5344, 5352, 6012, 7136, 8016, 8028, 10688, 10704, 12024, 14272, 16032, 16056, 21408, 24048, 32064, 32112, 37241, 42816, 48096, 64224, 74482, 96192, 111723, 128448, 148964, 223446, 297928, 335169, 446892, 595856, 670338, 893784, 1191712, 1340676, 1787568, 2383424, 2681352, 3575136, 5362704, 7150272, 10725408, 21450816]

約数ペア:

[(1, 21450816), (2, 10725408), (3, 7150272), (4, 5362704), (6, 3575136), (8, 2681352), (9, 2383424), (12, 1787568), (16, 1340676), (18, 1191712), (24, 893784), (32, 670338), (36, 595856), (48, 446892), (64, 335169), (72, 297928), (96, 223446), (144, 148964), (167, 128448), (192, 111723), (223, 96192), (288, 74482), (334, 64224), (446, 48096), (501, 42816), (576, 37241), (668, 32112), (669, 32064), (892, 24048), (1002, 21408), (1336, 16056), (1338, 16032), (1503, 14272), (1784, 12024), (2004, 10704), (2007, 10688), (2672, 8028), (2676, 8016), (3006, 7136), (3568, 6012), (4008, 5352), (4014, 5344)]