21306312

素因数分解:

$2^3\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 58007040

約数和(自身を除く): 36700728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 223, 446, 669, 892, 1327, 1338, 1784, 2007, 2654, 2676, 3981, 4014, 5308, 5352, 7962, 8028, 10616, 11943, 15924, 16056, 23886, 31848, 47772, 95544, 295921, 591842, 887763, 1183684, 1775526, 2367368, 2663289, 3551052, 5326578, 7102104, 10653156, 21306312]

約数ペア:

[(1, 21306312), (2, 10653156), (3, 7102104), (4, 5326578), (6, 3551052), (8, 2663289), (9, 2367368), (12, 1775526), (18, 1183684), (24, 887763), (36, 591842), (72, 295921), (223, 95544), (446, 47772), (669, 31848), (892, 23886), (1327, 16056), (1338, 15924), (1784, 11943), (2007, 10616), (2654, 8028), (2676, 7962), (3981, 5352), (4014, 5308)]