21138242

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27031}}^1$

素因数の和:27073

約数の個数: 16

約数和(自身を含む): 35033472

約数和(自身を除く): 13895230

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27031, 54062, 459527, 621713, 919054, 1243426, 10569121, 21138242]

約数ペア:

[(1, 21138242), (2, 10569121), (17, 1243426), (23, 919054), (34, 621713), (46, 459527), (391, 54062), (782, 27031)]