21625812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 61496960

約数和(自身を除く): 39871148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 73, 78, 108, 117, 146, 156, 211, 219, 234, 292, 351, 422, 438, 468, 633, 657, 702, 844, 876, 949, 1266, 1314, 1404, 1898, 1899, 1971, 2532, 2628, 2743, 2847, 3796, 3798, 3942, 5486, 5694, 5697, 7596, 7884, 8229, 8541, 10972, 11388, 11394, 15403, 16458, 17082, 22788, 24687, 25623, 30806, 32916, 34164, 46209, 49374, 51246, 61612, 74061, 92418, 98748, 102492, 138627, 148122, 184836, 200239, 277254, 296244, 400478, 415881, 554508, 600717, 800956, 831762, 1201434, 1663524, 1802151, 2402868, 3604302, 5406453, 7208604, 10812906, 21625812]

約数ペア:

[(1, 21625812), (2, 10812906), (3, 7208604), (4, 5406453), (6, 3604302), (9, 2402868), (12, 1802151), (13, 1663524), (18, 1201434), (26, 831762), (27, 800956), (36, 600717), (39, 554508), (52, 415881), (54, 400478), (73, 296244), (78, 277254), (108, 200239), (117, 184836), (146, 148122), (156, 138627), (211, 102492), (219, 98748), (234, 92418), (292, 74061), (351, 61612), (422, 51246), (438, 49374), (468, 46209), (633, 34164), (657, 32916), (702, 30806), (844, 25623), (876, 24687), (949, 22788), (1266, 17082), (1314, 16458), (1404, 15403), (1898, 11394), (1899, 11388), (1971, 10972), (2532, 8541), (2628, 8229), (2743, 7884), (2847, 7596), (3796, 5697), (3798, 5694), (3942, 5486)]