21765291

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2089}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 30497280

約数和(自身を除く): 8731989

約数列:

[1, 3, 23, 69, 151, 453, 2089, 3473, 6267, 10419, 48047, 144141, 315439, 946317, 7255097, 21765291]

約数ペア:

[(1, 21765291), (3, 7255097), (23, 946317), (69, 315439), (151, 144141), (453, 48047), (2089, 10419), (3473, 6267)]