21252800

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 84

約数和(自身を含む): 53858160

約数和(自身を除く): 32605360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 148, 160, 185, 200, 296, 320, 359, 370, 400, 592, 718, 740, 800, 925, 1184, 1436, 1480, 1600, 1795, 1850, 2368, 2872, 2960, 3590, 3700, 5744, 5920, 7180, 7400, 8975, 11488, 11840, 13283, 14360, 14800, 17950, 22976, 26566, 28720, 29600, 35900, 53132, 57440, 59200, 66415, 71800, 106264, 114880, 132830, 143600, 212528, 265660, 287200, 332075, 425056, 531320, 574400, 664150, 850112, 1062640, 1328300, 2125280, 2656600, 4250560, 5313200, 10626400, 21252800]

約数ペア:

[(1, 21252800), (2, 10626400), (4, 5313200), (5, 4250560), (8, 2656600), (10, 2125280), (16, 1328300), (20, 1062640), (25, 850112), (32, 664150), (37, 574400), (40, 531320), (50, 425056), (64, 332075), (74, 287200), (80, 265660), (100, 212528), (148, 143600), (160, 132830), (185, 114880), (200, 106264), (296, 71800), (320, 66415), (359, 59200), (370, 57440), (400, 53132), (592, 35900), (718, 29600), (740, 28720), (800, 26566), (925, 22976), (1184, 17950), (1436, 14800), (1480, 14360), (1600, 13283), (1795, 11840), (1850, 11488), (2368, 8975), (2872, 7400), (2960, 7180), (3590, 5920), (3700, 5744)]