21000605769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{8171}}^1$

素因数の和:10198

約数の個数: 48

約数和(自身を含む): 35659600704

約数和(自身を除く): 14658994935

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1997, 5991, 8171, 17973, 21967, 24513, 25961, 65901, 73539, 77883, 89881, 106223, 197703, 233649, 269643, 285571, 318669, 808929, 856713, 956007, 1168453, 2570139, 3505359, 10516077, 16317487, 48952461, 146857383, 179492357, 212127331, 538477071, 636381993, 1615431213, 1909145979, 2333400641, 7000201923, 21000605769]

約数ペア:

[(1, 21000605769), (3, 7000201923), (9, 2333400641), (11, 1909145979), (13, 1615431213), (33, 636381993), (39, 538477071), (99, 212127331), (117, 179492357), (143, 146857383), (429, 48952461), (1287, 16317487), (1997, 10516077), (5991, 3505359), (8171, 2570139), (17973, 1168453), (21967, 956007), (24513, 856713), (25961, 808929), (65901, 318669), (73539, 285571), (77883, 269643), (89881, 233649), (106223, 197703)]