21551149010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^2\times {\mathrm{379}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 39582095040

約数和(自身を除く): 18030946030

約数列:

[1, 2, 5, 10, 71, 142, 283, 355, 379, 566, 710, 758, 1415, 1895, 2830, 3790, 20093, 26909, 40186, 53818, 80089, 100465, 107257, 134545, 160178, 200930, 214514, 269090, 400445, 536285, 800890, 1072570, 5686319, 7615247, 11372638, 15230494, 28431595, 30353731, 38076235, 56863190, 60707462, 76152470, 151768655, 303537310, 2155114901, 4310229802, 10775574505, 21551149010]

約数ペア:

[(1, 21551149010), (2, 10775574505), (5, 4310229802), (10, 2155114901), (71, 303537310), (142, 151768655), (283, 76152470), (355, 60707462), (379, 56863190), (566, 38076235), (710, 30353731), (758, 28431595), (1415, 15230494), (1895, 11372638), (2830, 7615247), (3790, 5686319), (20093, 1072570), (26909, 800890), (40186, 536285), (53818, 400445), (80089, 269090), (100465, 214514), (107257, 200930), (134545, 160178)]