21275275360

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1\times {\mathrm{911}}^1$

素因数の和:1796

約数の個数: 96

約数和(自身を含む): 50618276352

約数和(自身を除く): 29343000992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 643, 908, 911, 1135, 1286, 1816, 1822, 2270, 2572, 3215, 3632, 3644, 4540, 4555, 5144, 6430, 7264, 7288, 9080, 9110, 10288, 12860, 14576, 18160, 18220, 20576, 25720, 29152, 36320, 36440, 51440, 72880, 102880, 145760, 145961, 206797, 291922, 413594, 583844, 585773, 729805, 827188, 1033985, 1167688, 1171546, 1459610, 1654376, 2067970, 2335376, 2343092, 2919220, 2928865, 3308752, 4135940, 4670752, 4686184, 5838440, 5857730, 6617504, 8271880, 9372368, 11676880, 11715460, 16543760, 18744736, 23353760, 23430920, 33087520, 46861840, 93723680, 132970471, 265940942, 531881884, 664852355, 1063763768, 1329704710, 2127527536, 2659409420, 4255055072, 5318818840, 10637637680, 21275275360]

約数ペア:

[(1, 21275275360), (2, 10637637680), (4, 5318818840), (5, 4255055072), (8, 2659409420), (10, 2127527536), (16, 1329704710), (20, 1063763768), (32, 664852355), (40, 531881884), (80, 265940942), (160, 132970471), (227, 93723680), (454, 46861840), (643, 33087520), (908, 23430920), (911, 23353760), (1135, 18744736), (1286, 16543760), (1816, 11715460), (1822, 11676880), (2270, 9372368), (2572, 8271880), (3215, 6617504), (3632, 5857730), (3644, 5838440), (4540, 4686184), (4555, 4670752), (5144, 4135940), (6430, 3308752), (7264, 2928865), (7288, 2919220), (9080, 2343092), (9110, 2335376), (10288, 2067970), (12860, 1654376), (14576, 1459610), (18160, 1171546), (18220, 1167688), (20576, 1033985), (25720, 827188), (29152, 729805), (36320, 585773), (36440, 583844), (51440, 413594), (72880, 291922), (102880, 206797), (145760, 145961)]