2021219396

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{3467}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 4138960896

約数和(自身を除く): 2117741500

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 443, 658, 886, 1316, 1772, 3101, 3467, 6202, 6934, 12404, 13868, 20821, 24269, 41642, 48538, 83284, 97076, 145747, 162949, 291494, 325898, 582988, 651796, 1140643, 1535881, 2281286, 3071762, 4562572, 6143524, 10751167, 21502334, 43004668, 72186407, 144372814, 288745628, 505304849, 1010609698, 2021219396]

約数ペア:

[(1, 2021219396), (2, 1010609698), (4, 505304849), (7, 288745628), (14, 144372814), (28, 72186407), (47, 43004668), (94, 21502334), (188, 10751167), (329, 6143524), (443, 4562572), (658, 3071762), (886, 2281286), (1316, 1535881), (1772, 1140643), (3101, 651796), (3467, 582988), (6202, 325898), (6934, 291494), (12404, 162949), (13868, 145747), (20821, 97076), (24269, 83284), (41642, 48538)]