21296000

素因数分解:

$2^7\times 5^3\times {\mathrm{11}}^3$

素因数の和:62

約数の個数: 128

約数和(自身を含む): 58237920

約数和(自身を除く): 36941920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 125, 128, 160, 176, 200, 220, 242, 250, 275, 320, 352, 400, 440, 484, 500, 550, 605, 640, 704, 800, 880, 968, 1000, 1100, 1210, 1331, 1375, 1408, 1600, 1760, 1936, 2000, 2200, 2420, 2662, 2750, 3025, 3200, 3520, 3872, 4000, 4400, 4840, 5324, 5500, 6050, 6655, 7040, 7744, 8000, 8800, 9680, 10648, 11000, 12100, 13310, 15125, 15488, 16000, 17600, 19360, 21296, 22000, 24200, 26620, 30250, 33275, 35200, 38720, 42592, 44000, 48400, 53240, 60500, 66550, 77440, 85184, 88000, 96800, 106480, 121000, 133100, 166375, 170368, 176000, 193600, 212960, 242000, 266200, 332750, 387200, 425920, 484000, 532400, 665500, 851840, 968000, 1064800, 1331000, 1936000, 2129600, 2662000, 4259200, 5324000, 10648000, 21296000]

約数ペア:

[(1, 21296000), (2, 10648000), (4, 5324000), (5, 4259200), (8, 2662000), (10, 2129600), (11, 1936000), (16, 1331000), (20, 1064800), (22, 968000), (25, 851840), (32, 665500), (40, 532400), (44, 484000), (50, 425920), (55, 387200), (64, 332750), (80, 266200), (88, 242000), (100, 212960), (110, 193600), (121, 176000), (125, 170368), (128, 166375), (160, 133100), (176, 121000), (200, 106480), (220, 96800), (242, 88000), (250, 85184), (275, 77440), (320, 66550), (352, 60500), (400, 53240), (440, 48400), (484, 44000), (500, 42592), (550, 38720), (605, 35200), (640, 33275), (704, 30250), (800, 26620), (880, 24200), (968, 22000), (1000, 21296), (1100, 19360), (1210, 17600), (1331, 16000), (1375, 15488), (1408, 15125), (1600, 13310), (1760, 12100), (1936, 11000), (2000, 10648), (2200, 9680), (2420, 8800), (2662, 8000), (2750, 7744), (3025, 7040), (3200, 6655), (3520, 6050), (3872, 5500), (4000, 5324), (4400, 4840)]