21920242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28031}}^1$

素因数の和:28073

約数の個数: 16

約数和(自身を含む): 36329472

約数和(自身を除く): 14409230

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 28031, 56062, 476527, 644713, 953054, 1289426, 10960121, 21920242]

約数ペア:

[(1, 21920242), (2, 10960121), (17, 1289426), (23, 953054), (34, 644713), (46, 476527), (391, 56062), (782, 28031)]