2045132355

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20969

約数の個数: 64

約数和(自身を含む): 4017024000

約数和(自身を除く): 1971891645

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 399, 665, 735, 931, 1029, 1715, 1995, 2793, 4655, 5145, 6517, 13965, 19551, 20921, 32585, 62763, 97755, 104605, 146447, 313815, 397499, 439341, 732235, 1025129, 1192497, 1987495, 2196705, 2782493, 3075387, 5125645, 5962485, 7175903, 8347479, 13912465, 15376935, 19477451, 21527709, 35879515, 41737395, 58432353, 97387255, 107638545, 136342157, 292161765, 409026471, 681710785, 2045132355]

約数ペア:

[(1, 2045132355), (3, 681710785), (5, 409026471), (7, 292161765), (15, 136342157), (19, 107638545), (21, 97387255), (35, 58432353), (49, 41737395), (57, 35879515), (95, 21527709), (105, 19477451), (133, 15376935), (147, 13912465), (245, 8347479), (285, 7175903), (343, 5962485), (399, 5125645), (665, 3075387), (735, 2782493), (931, 2196705), (1029, 1987495), (1715, 1192497), (1995, 1025129), (2793, 732235), (4655, 439341), (5145, 397499), (6517, 313815), (13965, 146447), (19551, 104605), (20921, 97755), (32585, 62763)]