21572048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79309}}^1$

素因数の和:79334

約数の個数: 20

約数和(自身を含む): 44254980

約数和(自身を除く): 22682932

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79309, 158618, 317236, 634472, 1268944, 1348253, 2696506, 5393012, 10786024, 21572048]

約数ペア:

[(1, 21572048), (2, 10786024), (4, 5393012), (8, 2696506), (16, 1348253), (17, 1268944), (34, 634472), (68, 317236), (136, 158618), (272, 79309)]