21327360

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 80

約数和(自身を含む): 68205456

約数和(自身を除く): 46878096

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2777, 3840, 5554, 7680, 8331, 11108, 13885, 16662, 22216, 27770, 33324, 41655, 44432, 55540, 66648, 83310, 88864, 111080, 133296, 166620, 177728, 222160, 266592, 333240, 355456, 444320, 533184, 666480, 710912, 888640, 1066368, 1332960, 1421824, 1777280, 2132736, 2665920, 3554560, 4265472, 5331840, 7109120, 10663680, 21327360]

約数ペア:

[(1, 21327360), (2, 10663680), (3, 7109120), (4, 5331840), (5, 4265472), (6, 3554560), (8, 2665920), (10, 2132736), (12, 1777280), (15, 1421824), (16, 1332960), (20, 1066368), (24, 888640), (30, 710912), (32, 666480), (40, 533184), (48, 444320), (60, 355456), (64, 333240), (80, 266592), (96, 222160), (120, 177728), (128, 166620), (160, 133296), (192, 111080), (240, 88864), (256, 83310), (320, 66648), (384, 55540), (480, 44432), (512, 41655), (640, 33324), (768, 27770), (960, 22216), (1280, 16662), (1536, 13885), (1920, 11108), (2560, 8331), (2777, 7680), (3840, 5554)]