21081750507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1667}}^1\times {\mathrm{82657}}^1$

素因数の和:84347

約数の個数: 24

約数和(自身を含む): 32262409296

約数和(自身を除く): 11180658789

約数列:

[1, 3, 9, 17, 51, 153, 1667, 5001, 15003, 28339, 82657, 85017, 247971, 255051, 743913, 1405169, 4215507, 12646521, 137789219, 413367657, 1240102971, 2342416723, 7027250169, 21081750507]

約数ペア:

[(1, 21081750507), (3, 7027250169), (9, 2342416723), (17, 1240102971), (51, 413367657), (153, 137789219), (1667, 12646521), (5001, 4215507), (15003, 1405169), (28339, 743913), (82657, 255051), (85017, 247971)]