21798352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80141}}^1$

素因数の和:80166

約数の個数: 20

約数和(自身を含む): 44719236

約数和(自身を除く): 22920884

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80141, 160282, 320564, 641128, 1282256, 1362397, 2724794, 5449588, 10899176, 21798352]

約数ペア:

[(1, 21798352), (2, 10899176), (4, 5449588), (8, 2724794), (16, 1362397), (17, 1282256), (34, 641128), (68, 320564), (136, 160282), (272, 80141)]