2021852161

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 2488993920

約数和(自身を除く): 467141759

約数列:

[1, 7, 37, 49, 71, 113, 139, 259, 497, 791, 973, 1813, 2627, 3479, 4181, 5143, 5537, 6811, 8023, 9869, 15707, 18389, 29267, 36001, 56161, 69083, 109949, 128723, 204869, 252007, 296851, 365153, 393127, 483581, 581159, 769643, 1115197, 2077957, 2556071, 4068113, 7806379, 14545699, 17892497, 28476791, 41262289, 54644653, 288836023, 2021852161]

約数ペア:

[(1, 2021852161), (7, 288836023), (37, 54644653), (49, 41262289), (71, 28476791), (113, 17892497), (139, 14545699), (259, 7806379), (497, 4068113), (791, 2556071), (973, 2077957), (1813, 1115197), (2627, 769643), (3479, 581159), (4181, 483581), (5143, 393127), (5537, 365153), (6811, 296851), (8023, 252007), (9869, 204869), (15707, 128723), (18389, 109949), (29267, 69083), (36001, 56161)]