21738104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159839}}^1$

素因数の和:159862

約数の個数: 16

約数和(自身を含む): 43156800

約数和(自身を除く): 21418696

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159839, 319678, 639356, 1278712, 2717263, 5434526, 10869052, 21738104]

約数ペア:

[(1, 21738104), (2, 10869052), (4, 5434526), (8, 2717263), (17, 1278712), (34, 639356), (68, 319678), (136, 159839)]