21613440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11257}}^1$

素因数の和:11279

約数の個数: 64

約数和(自身を含む): 68898960

約数和(自身を除く): 47285520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11257, 22514, 33771, 45028, 56285, 67542, 90056, 112570, 135084, 168855, 180112, 225140, 270168, 337710, 360224, 450280, 540336, 675420, 720448, 900560, 1080672, 1350840, 1440896, 1801120, 2161344, 2701680, 3602240, 4322688, 5403360, 7204480, 10806720, 21613440]

約数ペア:

[(1, 21613440), (2, 10806720), (3, 7204480), (4, 5403360), (5, 4322688), (6, 3602240), (8, 2701680), (10, 2161344), (12, 1801120), (15, 1440896), (16, 1350840), (20, 1080672), (24, 900560), (30, 720448), (32, 675420), (40, 540336), (48, 450280), (60, 360224), (64, 337710), (80, 270168), (96, 225140), (120, 180112), (128, 168855), (160, 135084), (192, 112570), (240, 90056), (320, 67542), (384, 56285), (480, 45028), (640, 33771), (960, 22514), (1920, 11257)]