22918161

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 14406639

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 809, 1349, 1491, 2427, 4047, 5663, 9443, 15371, 16989, 28329, 46113, 57439, 107597, 172317, 322791, 402073, 1091341, 1206219, 3274023, 7639387, 22918161]

約数ペア:

[(1, 22918161), (3, 7639387), (7, 3274023), (19, 1206219), (21, 1091341), (57, 402073), (71, 322791), (133, 172317), (213, 107597), (399, 57439), (497, 46113), (809, 28329), (1349, 16989), (1491, 15371), (2427, 9443), (4047, 5663)]