21351852

素因数分解:

$2^2\times 3^2\times {\mathrm{317}}^1\times {\mathrm{1871}}^1$

素因数の和:2198

約数の個数: 36

約数和(自身を含む): 54171936

約数和(自身を除く): 32820084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 317, 634, 951, 1268, 1871, 1902, 2853, 3742, 3804, 5613, 5706, 7484, 11226, 11412, 16839, 22452, 33678, 67356, 593107, 1186214, 1779321, 2372428, 3558642, 5337963, 7117284, 10675926, 21351852]

約数ペア:

[(1, 21351852), (2, 10675926), (3, 7117284), (4, 5337963), (6, 3558642), (9, 2372428), (12, 1779321), (18, 1186214), (36, 593107), (317, 67356), (634, 33678), (951, 22452), (1268, 16839), (1871, 11412), (1902, 11226), (2853, 7484), (3742, 5706), (3804, 5613)]