21026324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 21551596

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 79, 92, 158, 253, 263, 316, 506, 526, 869, 1012, 1052, 1738, 1817, 2893, 3476, 3634, 5786, 6049, 7268, 11572, 12098, 19987, 20777, 24196, 39974, 41554, 66539, 79948, 83108, 133078, 228547, 266156, 457094, 477871, 914188, 955742, 1911484, 5256581, 10513162, 21026324]

約数ペア:

[(1, 21026324), (2, 10513162), (4, 5256581), (11, 1911484), (22, 955742), (23, 914188), (44, 477871), (46, 457094), (79, 266156), (92, 228547), (158, 133078), (253, 83108), (263, 79948), (316, 66539), (506, 41554), (526, 39974), (869, 24196), (1012, 20777), (1052, 19987), (1738, 12098), (1817, 11572), (2893, 7268), (3476, 6049), (3634, 5786)]