21867304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{160789}}^1$

素因数の和:160812

約数の個数: 16

約数和(自身を含む): 43413300

約数和(自身を除く): 21545996

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 160789, 321578, 643156, 1286312, 2733413, 5466826, 10933652, 21867304]

約数ペア:

[(1, 21867304), (2, 10933652), (4, 5466826), (8, 2733413), (17, 1286312), (34, 643156), (68, 321578), (136, 160789)]