21327693

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 30260160

約数和(自身を除く): 8932467

約数列:

[1, 3, 23, 69, 89, 151, 267, 453, 529, 1587, 2047, 3473, 6141, 10419, 13439, 40317, 47081, 79879, 141243, 239637, 309097, 927291, 7109231, 21327693]

約数ペア:

[(1, 21327693), (3, 7109231), (23, 927291), (69, 309097), (89, 239637), (151, 141243), (267, 79879), (453, 47081), (529, 40317), (1587, 13439), (2047, 10419), (3473, 6141)]