21508320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44809}}^1$

素因数の和:44827

約数の個数: 48

約数和(自身を含む): 67752720

約数和(自身を除く): 46244400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44809, 89618, 134427, 179236, 224045, 268854, 358472, 448090, 537708, 672135, 716944, 896180, 1075416, 1344270, 1433888, 1792360, 2150832, 2688540, 3584720, 4301664, 5377080, 7169440, 10754160, 21508320]

約数ペア:

[(1, 21508320), (2, 10754160), (3, 7169440), (4, 5377080), (5, 4301664), (6, 3584720), (8, 2688540), (10, 2150832), (12, 1792360), (15, 1433888), (16, 1344270), (20, 1075416), (24, 896180), (30, 716944), (32, 672135), (40, 537708), (48, 448090), (60, 358472), (80, 268854), (96, 224045), (120, 179236), (160, 134427), (240, 89618), (480, 44809)]