21904000

素因数分解:

$2^7\times 5^3\times {\mathrm{37}}^2$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 55970460

約数和(自身を除く): 34066460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 128, 148, 160, 185, 200, 250, 296, 320, 370, 400, 500, 592, 640, 740, 800, 925, 1000, 1184, 1369, 1480, 1600, 1850, 2000, 2368, 2738, 2960, 3200, 3700, 4000, 4625, 4736, 5476, 5920, 6845, 7400, 8000, 9250, 10952, 11840, 13690, 14800, 16000, 18500, 21904, 23680, 27380, 29600, 34225, 37000, 43808, 54760, 59200, 68450, 74000, 87616, 109520, 118400, 136900, 148000, 171125, 175232, 219040, 273800, 296000, 342250, 438080, 547600, 592000, 684500, 876160, 1095200, 1369000, 2190400, 2738000, 4380800, 5476000, 10952000, 21904000]

約数ペア:

[(1, 21904000), (2, 10952000), (4, 5476000), (5, 4380800), (8, 2738000), (10, 2190400), (16, 1369000), (20, 1095200), (25, 876160), (32, 684500), (37, 592000), (40, 547600), (50, 438080), (64, 342250), (74, 296000), (80, 273800), (100, 219040), (125, 175232), (128, 171125), (148, 148000), (160, 136900), (185, 118400), (200, 109520), (250, 87616), (296, 74000), (320, 68450), (370, 59200), (400, 54760), (500, 43808), (592, 37000), (640, 34225), (740, 29600), (800, 27380), (925, 23680), (1000, 21904), (1184, 18500), (1369, 16000), (1480, 14800), (1600, 13690), (1850, 11840), (2000, 10952), (2368, 9250), (2738, 8000), (2960, 7400), (3200, 6845), (3700, 5920), (4000, 5476), (4625, 4736)]