21104568

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1867}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 57553080

約数和(自身を除く): 36448512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1867, 1884, 2826, 3734, 3768, 5601, 5652, 7468, 11202, 11304, 14936, 16803, 22404, 33606, 44808, 67212, 134424, 293119, 586238, 879357, 1172476, 1758714, 2344952, 2638071, 3517428, 5276142, 7034856, 10552284, 21104568]

約数ペア:

[(1, 21104568), (2, 10552284), (3, 7034856), (4, 5276142), (6, 3517428), (8, 2638071), (9, 2344952), (12, 1758714), (18, 1172476), (24, 879357), (36, 586238), (72, 293119), (157, 134424), (314, 67212), (471, 44808), (628, 33606), (942, 22404), (1256, 16803), (1413, 14936), (1867, 11304), (1884, 11202), (2826, 7468), (3734, 5652), (3768, 5601)]