21771547

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4663}}^1$

素因数の和:4722

約数の個数: 16

約数和(自身を含む): 26864640

約数和(自身を除く): 5093093

約数列:

[1, 7, 23, 29, 161, 203, 667, 4663, 4669, 32641, 107249, 135227, 750743, 946589, 3110221, 21771547]

約数ペア:

[(1, 21771547), (7, 3110221), (23, 946589), (29, 750743), (161, 135227), (203, 107249), (667, 32641), (4663, 4669)]