21437196

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 57228864

約数和(自身を除く): 35791668

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 307, 506, 529, 614, 759, 921, 1012, 1058, 1228, 1518, 1587, 1842, 2116, 3036, 3174, 3377, 3684, 5819, 6348, 6754, 7061, 10131, 11638, 13508, 14122, 17457, 20262, 21183, 23276, 28244, 34914, 40524, 42366, 69828, 77671, 84732, 155342, 162403, 233013, 310684, 324806, 466026, 487209, 649612, 932052, 974418, 1786433, 1948836, 3572866, 5359299, 7145732, 10718598, 21437196]

約数ペア:

[(1, 21437196), (2, 10718598), (3, 7145732), (4, 5359299), (6, 3572866), (11, 1948836), (12, 1786433), (22, 974418), (23, 932052), (33, 649612), (44, 487209), (46, 466026), (66, 324806), (69, 310684), (92, 233013), (132, 162403), (138, 155342), (253, 84732), (276, 77671), (307, 69828), (506, 42366), (529, 40524), (614, 34914), (759, 28244), (921, 23276), (1012, 21183), (1058, 20262), (1228, 17457), (1518, 14122), (1587, 13508), (1842, 11638), (2116, 10131), (3036, 7061), (3174, 6754), (3377, 6348), (3684, 5819)]