21274128

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1112

約数の個数: 60

約数和(自身を含む): 59980908

約数和(自身を除く): 38706780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 941, 942, 1256, 1413, 1882, 1884, 2512, 2823, 2826, 3764, 3768, 5646, 5652, 7528, 7536, 8469, 11292, 11304, 15056, 16938, 22584, 22608, 33876, 45168, 67752, 135504, 147737, 295474, 443211, 590948, 886422, 1181896, 1329633, 1772844, 2363792, 2659266, 3545688, 5318532, 7091376, 10637064, 21274128]

約数ペア:

[(1, 21274128), (2, 10637064), (3, 7091376), (4, 5318532), (6, 3545688), (8, 2659266), (9, 2363792), (12, 1772844), (16, 1329633), (18, 1181896), (24, 886422), (36, 590948), (48, 443211), (72, 295474), (144, 147737), (157, 135504), (314, 67752), (471, 45168), (628, 33876), (941, 22608), (942, 22584), (1256, 16938), (1413, 15056), (1882, 11304), (1884, 11292), (2512, 8469), (2823, 7536), (2826, 7528), (3764, 5652), (3768, 5646)]