21690334

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27737}}^1$

素因数の和:27779

約数の個数: 16

約数和(自身を含む): 35948448

約数和(自身を除く): 14258114

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27737, 55474, 471529, 637951, 943058, 1275902, 10845167, 21690334]

約数ペア:

[(1, 21690334), (2, 10845167), (17, 1275902), (23, 943058), (34, 637951), (46, 471529), (391, 55474), (782, 27737)]