21905931

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 30068640

約数和(自身を除く): 8162709

約数列:

[1, 3, 41, 123, 313, 569, 939, 1707, 12833, 23329, 38499, 69987, 178097, 534291, 7301977, 21905931]

約数ペア:

[(1, 21905931), (3, 7301977), (41, 534291), (123, 178097), (313, 69987), (569, 38499), (939, 23329), (1707, 12833)]