21067145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5717}}^1$

素因数の和:5800

約数の個数: 16

約数和(自身を含む): 27995328

約数和(自身を除く): 6928183

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5717, 28585, 62887, 314435, 383039, 1915195, 4213429, 21067145]

約数ペア:

[(1, 21067145), (5, 4213429), (11, 1915195), (55, 383039), (67, 314435), (335, 62887), (737, 28585), (3685, 5717)]