21375718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 39703104

約数和(自身を除く): 18327386

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 257, 457, 514, 914, 1799, 3199, 3341, 3598, 5941, 6398, 6682, 11882, 23387, 41587, 46774, 83174, 117449, 234898, 822143, 1526837, 1644286, 3053674, 10687859, 21375718]

約数ペア:

[(1, 21375718), (2, 10687859), (7, 3053674), (13, 1644286), (14, 1526837), (26, 822143), (91, 234898), (182, 117449), (257, 83174), (457, 46774), (514, 41587), (914, 23387), (1799, 11882), (3199, 6682), (3341, 6398), (3598, 5941)]