21348531

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 32438016

約数和(自身を除く): 11089485

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 683, 1359, 2049, 3473, 6147, 10419, 15709, 31257, 47127, 103133, 141381, 309399, 928197, 2372059, 7116177, 21348531]

約数ペア:

[(1, 21348531), (3, 7116177), (9, 2372059), (23, 928197), (69, 309399), (151, 141381), (207, 103133), (453, 47127), (683, 31257), (1359, 15709), (2049, 10419), (3473, 6147)]