21143095

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4969}}^1$

素因数の和:5034

約数の個数: 16

約数和(自身を含む): 27195840

約数和(自身を除く): 6052745

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4969, 24845, 114287, 183853, 571435, 919265, 4228619, 21143095]

約数ペア:

[(1, 21143095), (5, 4228619), (23, 919265), (37, 571435), (115, 183853), (185, 114287), (851, 24845), (4255, 4969)]