21353256

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1889}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 58230900

約数和(自身を除く): 36877644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 1889, 2826, 3768, 3778, 5652, 5667, 7556, 11304, 11334, 15112, 17001, 22668, 34002, 45336, 68004, 136008, 296573, 593146, 889719, 1186292, 1779438, 2372584, 2669157, 3558876, 5338314, 7117752, 10676628, 21353256]

約数ペア:

[(1, 21353256), (2, 10676628), (3, 7117752), (4, 5338314), (6, 3558876), (8, 2669157), (9, 2372584), (12, 1779438), (18, 1186292), (24, 889719), (36, 593146), (72, 296573), (157, 136008), (314, 68004), (471, 45336), (628, 34002), (942, 22668), (1256, 17001), (1413, 15112), (1884, 11334), (1889, 11304), (2826, 7556), (3768, 5667), (3778, 5652)]