21898880

素因数分解:

$2^7\times 5^1\times {\mathrm{34217}}^1$

素因数の和:34236

約数の個数: 32

約数和(自身を含む): 52353540

約数和(自身を除く): 30454660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34217, 68434, 136868, 171085, 273736, 342170, 547472, 684340, 1094944, 1368680, 2189888, 2737360, 4379776, 5474720, 10949440, 21898880]

約数ペア:

[(1, 21898880), (2, 10949440), (4, 5474720), (5, 4379776), (8, 2737360), (10, 2189888), (16, 1368680), (20, 1094944), (32, 684340), (40, 547472), (64, 342170), (80, 273736), (128, 171085), (160, 136868), (320, 68434), (640, 34217)]