21714720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 96

約数和(自身を含む): 72031680

約数和(自身を除く): 50316960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2381, 3040, 4560, 4762, 7143, 9120, 9524, 11905, 14286, 19048, 23810, 28572, 35715, 38096, 45239, 47620, 57144, 71430, 76192, 90478, 95240, 114288, 135717, 142860, 180956, 190480, 226195, 228576, 271434, 285720, 361912, 380960, 452390, 542868, 571440, 678585, 723824, 904780, 1085736, 1142880, 1357170, 1447648, 1809560, 2171472, 2714340, 3619120, 4342944, 5428680, 7238240, 10857360, 21714720]

約数ペア:

[(1, 21714720), (2, 10857360), (3, 7238240), (4, 5428680), (5, 4342944), (6, 3619120), (8, 2714340), (10, 2171472), (12, 1809560), (15, 1447648), (16, 1357170), (19, 1142880), (20, 1085736), (24, 904780), (30, 723824), (32, 678585), (38, 571440), (40, 542868), (48, 452390), (57, 380960), (60, 361912), (76, 285720), (80, 271434), (95, 228576), (96, 226195), (114, 190480), (120, 180956), (152, 142860), (160, 135717), (190, 114288), (228, 95240), (240, 90478), (285, 76192), (304, 71430), (380, 57144), (456, 47620), (480, 45239), (570, 38096), (608, 35715), (760, 28572), (912, 23810), (1140, 19048), (1520, 14286), (1824, 11905), (2280, 9524), (2381, 9120), (3040, 7143), (4560, 4762)]