21704104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159589}}^1$

素因数の和:159612

約数の個数: 16

約数和(自身を含む): 43089300

約数和(自身を除く): 21385196

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159589, 319178, 638356, 1276712, 2713013, 5426026, 10852052, 21704104]

約数ペア:

[(1, 21704104), (2, 10852052), (4, 5426026), (8, 2713013), (17, 1276712), (34, 638356), (68, 319178), (136, 159589)]