21257952

素因数分解:

$2^5\times 3^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2895

約数の個数: 48

約数和(自身を含む): 56528640

約数和(自身を除く): 35270688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 79, 96, 158, 237, 316, 474, 632, 948, 1264, 1896, 2528, 2803, 3792, 5606, 7584, 8409, 11212, 16818, 22424, 33636, 44848, 67272, 89696, 134544, 221437, 269088, 442874, 664311, 885748, 1328622, 1771496, 2657244, 3542992, 5314488, 7085984, 10628976, 21257952]

約数ペア:

[(1, 21257952), (2, 10628976), (3, 7085984), (4, 5314488), (6, 3542992), (8, 2657244), (12, 1771496), (16, 1328622), (24, 885748), (32, 664311), (48, 442874), (79, 269088), (96, 221437), (158, 134544), (237, 89696), (316, 67272), (474, 44848), (632, 33636), (948, 22424), (1264, 16818), (1896, 11212), (2528, 8409), (2803, 7584), (3792, 5606)]