21257100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7873}}^1$

素因数の和:7896

約数の個数: 72

約数和(自身を含む): 68346320

約数和(自身を除く): 47089220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7873, 15746, 23619, 31492, 39365, 47238, 70857, 78730, 94476, 118095, 141714, 157460, 196825, 212571, 236190, 283428, 354285, 393650, 425142, 472380, 590475, 708570, 787300, 850284, 1062855, 1180950, 1417140, 1771425, 2125710, 2361900, 3542850, 4251420, 5314275, 7085700, 10628550, 21257100]

約数ペア:

[(1, 21257100), (2, 10628550), (3, 7085700), (4, 5314275), (5, 4251420), (6, 3542850), (9, 2361900), (10, 2125710), (12, 1771425), (15, 1417140), (18, 1180950), (20, 1062855), (25, 850284), (27, 787300), (30, 708570), (36, 590475), (45, 472380), (50, 425142), (54, 393650), (60, 354285), (75, 283428), (90, 236190), (100, 212571), (108, 196825), (135, 157460), (150, 141714), (180, 118095), (225, 94476), (270, 78730), (300, 70857), (450, 47238), (540, 39365), (675, 31492), (900, 23619), (1350, 15746), (2700, 7873)]