21471424

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 46469808

約数和(自身を除く): 24998384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 197, 208, 262, 394, 416, 524, 788, 832, 1048, 1576, 1703, 2096, 2561, 3152, 3406, 4192, 5122, 6304, 6812, 8384, 10244, 12608, 13624, 20488, 25807, 27248, 40976, 51614, 54496, 81952, 103228, 108992, 163904, 206456, 335491, 412912, 670982, 825824, 1341964, 1651648, 2683928, 5367856, 10735712, 21471424]

約数ペア:

[(1, 21471424), (2, 10735712), (4, 5367856), (8, 2683928), (13, 1651648), (16, 1341964), (26, 825824), (32, 670982), (52, 412912), (64, 335491), (104, 206456), (131, 163904), (197, 108992), (208, 103228), (262, 81952), (394, 54496), (416, 51614), (524, 40976), (788, 27248), (832, 25807), (1048, 20488), (1576, 13624), (1703, 12608), (2096, 10244), (2561, 8384), (3152, 6812), (3406, 6304), (4192, 5122)]