21576723

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 36656640

約数和(自身を除く): 15079917

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3181, 6783, 9543, 22267, 54077, 60439, 66801, 162231, 181317, 378539, 423073, 1027463, 1135617, 1269219, 3082389, 7192241, 21576723]

約数ペア:

[(1, 21576723), (3, 7192241), (7, 3082389), (17, 1269219), (19, 1135617), (21, 1027463), (51, 423073), (57, 378539), (119, 181317), (133, 162231), (323, 66801), (357, 60439), (399, 54077), (969, 22267), (2261, 9543), (3181, 6783)]