21383261

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 1730467

約数列:

[1, 23, 47, 131, 151, 1081, 3013, 3473, 6157, 7097, 19781, 141611, 163231, 454963, 929707, 21383261]

約数ペア:

[(1, 21383261), (23, 929707), (47, 454963), (131, 163231), (151, 141611), (1081, 19781), (3013, 7097), (3473, 6157)]