221279142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5268551}}^1$

素因数の和:5268563

約数の個数: 16

約数和(自身を含む): 505780992

約数和(自身を除く): 284501850

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5268551, 10537102, 15805653, 31611306, 36879857, 73759714, 110639571, 221279142]

約数ペア:

[(1, 221279142), (2, 110639571), (3, 73759714), (6, 36879857), (7, 31611306), (14, 15805653), (21, 10537102), (42, 5268551)]