21532928

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 54

約数和(自身を含む): 45557694

約数和(自身を除く): 24024766

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 233, 256, 304, 361, 466, 608, 722, 932, 1216, 1444, 1864, 2432, 2888, 3728, 4427, 4864, 5776, 7456, 8854, 11552, 14912, 17708, 23104, 29824, 35416, 46208, 59648, 70832, 84113, 92416, 141664, 168226, 283328, 336452, 566656, 672904, 1133312, 1345808, 2691616, 5383232, 10766464, 21532928]

約数ペア:

[(1, 21532928), (2, 10766464), (4, 5383232), (8, 2691616), (16, 1345808), (19, 1133312), (32, 672904), (38, 566656), (64, 336452), (76, 283328), (128, 168226), (152, 141664), (233, 92416), (256, 84113), (304, 70832), (361, 59648), (466, 46208), (608, 35416), (722, 29824), (932, 23104), (1216, 17708), (1444, 14912), (1864, 11552), (2432, 8854), (2888, 7456), (3728, 5776), (4427, 4864)]