21516306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1427}}^1$

素因数の和:1798

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 27835374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 359, 718, 1077, 1427, 2154, 2513, 2854, 4281, 5026, 7539, 8562, 9989, 15078, 19978, 29967, 59934, 512293, 1024586, 1536879, 3073758, 3586051, 7172102, 10758153, 21516306]

約数ペア:

[(1, 21516306), (2, 10758153), (3, 7172102), (6, 3586051), (7, 3073758), (14, 1536879), (21, 1024586), (42, 512293), (359, 59934), (718, 29967), (1077, 19978), (1427, 15078), (2154, 9989), (2513, 8562), (2854, 7539), (4281, 5026)]