21892401

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 32847360

約数和(自身を除く): 10954959

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 751, 2253, 3239, 6759, 9717, 29151, 30791, 59329, 92373, 177987, 277119, 533961, 2432489, 7297467, 21892401]

約数ペア:

[(1, 21892401), (3, 7297467), (9, 2432489), (41, 533961), (79, 277119), (123, 177987), (237, 92373), (369, 59329), (711, 30791), (751, 29151), (2253, 9717), (3239, 6759)]