21749040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10069}}^1$

素因数の和:10091

約数の個数: 80

約数和(自身を含む): 74920800

約数和(自身を除く): 53171760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 10069, 20138, 30207, 40276, 50345, 60414, 80552, 90621, 100690, 120828, 151035, 161104, 181242, 201380, 241656, 271863, 302070, 362484, 402760, 453105, 483312, 543726, 604140, 724968, 805520, 906210, 1087452, 1208280, 1359315, 1449936, 1812420, 2174904, 2416560, 2718630, 3624840, 4349808, 5437260, 7249680, 10874520, 21749040]

約数ペア:

[(1, 21749040), (2, 10874520), (3, 7249680), (4, 5437260), (5, 4349808), (6, 3624840), (8, 2718630), (9, 2416560), (10, 2174904), (12, 1812420), (15, 1449936), (16, 1359315), (18, 1208280), (20, 1087452), (24, 906210), (27, 805520), (30, 724968), (36, 604140), (40, 543726), (45, 483312), (48, 453105), (54, 402760), (60, 362484), (72, 302070), (80, 271863), (90, 241656), (108, 201380), (120, 181242), (135, 161104), (144, 151035), (180, 120828), (216, 100690), (240, 90621), (270, 80552), (360, 60414), (432, 50345), (540, 40276), (720, 30207), (1080, 20138), (2160, 10069)]