21737231

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 23992320

約数和(自身を除く): 2255089

約数列:

[1, 23, 31, 43, 709, 713, 989, 1333, 16307, 21979, 30487, 30659, 505517, 701201, 945097, 21737231]

約数ペア:

[(1, 21737231), (23, 945097), (31, 701201), (43, 505517), (709, 30659), (713, 30487), (989, 21979), (1333, 16307)]