21886317

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4597}}^1$

素因数の和:4649

約数の個数: 18

約数和(自身を含む): 33055022

約数和(自身を除く): 11168705

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4597, 4761, 13791, 41373, 105731, 317193, 951579, 2431813, 7295439, 21886317]

約数ペア:

[(1, 21886317), (3, 7295439), (9, 2431813), (23, 951579), (69, 317193), (207, 105731), (529, 41373), (1587, 13791), (4597, 4761)]