21202218

素因数分解:

$2^1\times 3^2\times {\mathrm{1177901}}^1$

素因数の和:1177909

約数の個数: 12

約数和(自身を含む): 45938178

約数和(自身を除く): 24735960

約数列:

[1, 2, 3, 6, 9, 18, 1177901, 2355802, 3533703, 7067406, 10601109, 21202218]

約数ペア:

[(1, 21202218), (2, 10601109), (3, 7067406), (6, 3533703), (9, 2355802), (18, 1177901)]