21823039

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 27852800

約数和(自身を除く): 6029761

約数列:

[1, 7, 19, 31, 67, 79, 133, 217, 469, 553, 589, 1273, 1501, 2077, 2449, 4123, 5293, 8911, 10507, 14539, 17143, 37051, 39463, 46531, 100567, 164083, 276241, 325717, 703969, 1148581, 3117577, 21823039]

約数ペア:

[(1, 21823039), (7, 3117577), (19, 1148581), (31, 703969), (67, 325717), (79, 276241), (133, 164083), (217, 100567), (469, 46531), (553, 39463), (589, 37051), (1273, 17143), (1501, 14539), (2077, 10507), (2449, 8911), (4123, 5293)]