21167141763

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{2143}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 28932130816

約数和(自身を除く): 7764989053

約数列:

[1, 3, 67, 157, 201, 313, 471, 939, 2143, 6429, 10519, 20971, 31557, 49141, 62913, 143581, 147423, 336451, 430743, 670759, 1009353, 2012277, 3292447, 9877341, 22542217, 44940853, 67626651, 105309163, 134822559, 315927489, 7055713921, 21167141763]

約数ペア:

[(1, 21167141763), (3, 7055713921), (67, 315927489), (157, 134822559), (201, 105309163), (313, 67626651), (471, 44940853), (939, 22542217), (2143, 9877341), (6429, 3292447), (10519, 2012277), (20971, 1009353), (31557, 670759), (49141, 430743), (62913, 336451), (143581, 147423)]