21253762

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 11611070

約数列:

[1, 2, 37, 74, 503, 571, 1006, 1142, 18611, 21127, 37222, 42254, 287213, 574426, 10626881, 21253762]

約数ペア:

[(1, 21253762), (2, 10626881), (37, 574426), (74, 287213), (503, 42254), (571, 37222), (1006, 21127), (1142, 18611)]