21275040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 46462560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 349, 381, 480, 508, 635, 698, 762, 1016, 1047, 1270, 1396, 1524, 1745, 1905, 2032, 2094, 2540, 2792, 3048, 3490, 3810, 4064, 4188, 5080, 5235, 5584, 6096, 6980, 7620, 8376, 10160, 10470, 11168, 12192, 13960, 15240, 16752, 20320, 20940, 27920, 30480, 33504, 41880, 44323, 55840, 60960, 83760, 88646, 132969, 167520, 177292, 221615, 265938, 354584, 443230, 531876, 664845, 709168, 886460, 1063752, 1329690, 1418336, 1772920, 2127504, 2659380, 3545840, 4255008, 5318760, 7091680, 10637520, 21275040]

約数ペア:

[(1, 21275040), (2, 10637520), (3, 7091680), (4, 5318760), (5, 4255008), (6, 3545840), (8, 2659380), (10, 2127504), (12, 1772920), (15, 1418336), (16, 1329690), (20, 1063752), (24, 886460), (30, 709168), (32, 664845), (40, 531876), (48, 443230), (60, 354584), (80, 265938), (96, 221615), (120, 177292), (127, 167520), (160, 132969), (240, 88646), (254, 83760), (349, 60960), (381, 55840), (480, 44323), (508, 41880), (635, 33504), (698, 30480), (762, 27920), (1016, 20940), (1047, 20320), (1270, 16752), (1396, 15240), (1524, 13960), (1745, 12192), (1905, 11168), (2032, 10470), (2094, 10160), (2540, 8376), (2792, 7620), (3048, 6980), (3490, 6096), (3810, 5584), (4064, 5235), (4188, 5080)]