21073670176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{713491}}^1$

素因数の和:713585

約数の個数: 48

約数和(自身を含む): 45309595968

約数和(自身を除く): 24235925792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1846, 2272, 3692, 7384, 14768, 29536, 713491, 1426982, 2853964, 5707928, 9275383, 11415856, 18550766, 22831712, 37101532, 50657861, 74203064, 101315722, 148406128, 202631444, 296812256, 405262888, 658552193, 810525776, 1317104386, 1621051552, 2634208772, 5268417544, 10536835088, 21073670176]

約数ペア:

[(1, 21073670176), (2, 10536835088), (4, 5268417544), (8, 2634208772), (13, 1621051552), (16, 1317104386), (26, 810525776), (32, 658552193), (52, 405262888), (71, 296812256), (104, 202631444), (142, 148406128), (208, 101315722), (284, 74203064), (416, 50657861), (568, 37101532), (923, 22831712), (1136, 18550766), (1846, 11415856), (2272, 9275383), (3692, 5707928), (7384, 2853964), (14768, 1426982), (29536, 713491)]