21557448

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 67161600

約数和(自身を除く): 45604152

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 43, 44, 54, 66, 72, 86, 88, 99, 108, 129, 132, 172, 198, 211, 216, 258, 264, 297, 344, 387, 396, 422, 473, 516, 594, 633, 774, 792, 844, 946, 1032, 1161, 1188, 1266, 1419, 1548, 1688, 1892, 1899, 2321, 2322, 2376, 2532, 2838, 3096, 3784, 3798, 4257, 4642, 4644, 5064, 5676, 5697, 6963, 7596, 8514, 9073, 9284, 9288, 11352, 11394, 12771, 13926, 15192, 17028, 18146, 18568, 20889, 22788, 25542, 27219, 27852, 34056, 36292, 41778, 45576, 51084, 54438, 55704, 62667, 72584, 81657, 83556, 99803, 102168, 108876, 125334, 163314, 167112, 199606, 217752, 244971, 250668, 299409, 326628, 399212, 489942, 501336, 598818, 653256, 798424, 898227, 979884, 1197636, 1796454, 1959768, 2395272, 2694681, 3592908, 5389362, 7185816, 10778724, 21557448]

約数ペア:

[(1, 21557448), (2, 10778724), (3, 7185816), (4, 5389362), (6, 3592908), (8, 2694681), (9, 2395272), (11, 1959768), (12, 1796454), (18, 1197636), (22, 979884), (24, 898227), (27, 798424), (33, 653256), (36, 598818), (43, 501336), (44, 489942), (54, 399212), (66, 326628), (72, 299409), (86, 250668), (88, 244971), (99, 217752), (108, 199606), (129, 167112), (132, 163314), (172, 125334), (198, 108876), (211, 102168), (216, 99803), (258, 83556), (264, 81657), (297, 72584), (344, 62667), (387, 55704), (396, 54438), (422, 51084), (473, 45576), (516, 41778), (594, 36292), (633, 34056), (774, 27852), (792, 27219), (844, 25542), (946, 22788), (1032, 20889), (1161, 18568), (1188, 18146), (1266, 17028), (1419, 15192), (1548, 13926), (1688, 12771), (1892, 11394), (1899, 11352), (2321, 9288), (2322, 9284), (2376, 9073), (2532, 8514), (2838, 7596), (3096, 6963), (3784, 5697), (3798, 5676), (4257, 5064), (4642, 4644)]