21782233

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 24678720

約数和(自身を除く): 2896487

約数列:

[1, 11, 37, 109, 407, 491, 1199, 4033, 5401, 18167, 44363, 53519, 199837, 588709, 1980203, 21782233]

約数ペア:

[(1, 21782233), (11, 1980203), (37, 588709), (109, 199837), (407, 53519), (491, 44363), (1199, 18167), (4033, 5401)]