21803384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160319}}^1$

素因数の和:160342

約数の個数: 16

約数和(自身を含む): 43286400

約数和(自身を除く): 21483016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160319, 320638, 641276, 1282552, 2725423, 5450846, 10901692, 21803384]

約数ペア:

[(1, 21803384), (2, 10901692), (4, 5450846), (8, 2725423), (17, 1282552), (34, 641276), (68, 320638), (136, 160319)]