21721982

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{827}}^1$

素因数の和:1423

約数の個数: 16

約数和(自身を含む): 34100352

約数和(自身を除く): 12378370

約数列:

[1, 2, 23, 46, 571, 827, 1142, 1654, 13133, 19021, 26266, 38042, 472217, 944434, 10860991, 21721982]

約数ペア:

[(1, 21721982), (2, 10860991), (23, 944434), (46, 472217), (571, 38042), (827, 26266), (1142, 19021), (1654, 13133)]