21498021

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{5273}}^1$

素因数の和:5433

約数の個数: 16

約数和(自身を含む): 32065920

約数和(自身を除く): 10567899

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 5273, 15819, 47457, 142371, 796223, 2388669, 7166007, 21498021]

約数ペア:

[(1, 21498021), (3, 7166007), (9, 2388669), (27, 796223), (151, 142371), (453, 47457), (1359, 15819), (4077, 5273)]