21771864

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2381}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 59454720

約数和(自身を除く): 37682856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2286, 2381, 3048, 4572, 4762, 7143, 9144, 9524, 14286, 19048, 21429, 28572, 42858, 57144, 85716, 171432, 302387, 604774, 907161, 1209548, 1814322, 2419096, 2721483, 3628644, 5442966, 7257288, 10885932, 21771864]

約数ペア:

[(1, 21771864), (2, 10885932), (3, 7257288), (4, 5442966), (6, 3628644), (8, 2721483), (9, 2419096), (12, 1814322), (18, 1209548), (24, 907161), (36, 604774), (72, 302387), (127, 171432), (254, 85716), (381, 57144), (508, 42858), (762, 28572), (1016, 21429), (1143, 19048), (1524, 14286), (2286, 9524), (2381, 9144), (3048, 7143), (4572, 4762)]