21108708

素因数分解:

$2^2\times 3^3\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 55021120

約数和(自身を除く): 33912412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 241, 482, 723, 811, 964, 1446, 1622, 2169, 2433, 2892, 3244, 4338, 4866, 6507, 7299, 8676, 9732, 13014, 14598, 21897, 26028, 29196, 43794, 87588, 195451, 390902, 586353, 781804, 1172706, 1759059, 2345412, 3518118, 5277177, 7036236, 10554354, 21108708]

約数ペア:

[(1, 21108708), (2, 10554354), (3, 7036236), (4, 5277177), (6, 3518118), (9, 2345412), (12, 1759059), (18, 1172706), (27, 781804), (36, 586353), (54, 390902), (108, 195451), (241, 87588), (482, 43794), (723, 29196), (811, 26028), (964, 21897), (1446, 14598), (1622, 13014), (2169, 9732), (2433, 8676), (2892, 7299), (3244, 6507), (4338, 4866)]