21679196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 26462884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1193, 1298, 1652, 2386, 2596, 4543, 4772, 8351, 9086, 13123, 16702, 18172, 26246, 33404, 52492, 70387, 91861, 140774, 183722, 281548, 367444, 492709, 774257, 985418, 1548514, 1970836, 3097028, 5419799, 10839598, 21679196]

約数ペア:

[(1, 21679196), (2, 10839598), (4, 5419799), (7, 3097028), (11, 1970836), (14, 1548514), (22, 985418), (28, 774257), (44, 492709), (59, 367444), (77, 281548), (118, 183722), (154, 140774), (236, 91861), (308, 70387), (413, 52492), (649, 33404), (826, 26246), (1193, 18172), (1298, 16702), (1652, 13123), (2386, 9086), (2596, 8351), (4543, 4772)]