21130629

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{23557}}^1$

素因数の和:23596

約数の個数: 16

約数和(自身を含む): 31661952

約数和(自身を除く): 10531323

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 23557, 70671, 306241, 541811, 918723, 1625433, 7043543, 21130629]

約数ペア:

[(1, 21130629), (3, 7043543), (13, 1625433), (23, 918723), (39, 541811), (69, 306241), (299, 70671), (897, 23557)]