21681036013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1876009}}^1$

素因数の和:1876156

約数の個数: 16

約数和(自身を含む): 26894479360

約数和(自身を除く): 5213443347

約数列:

[1, 7, 13, 91, 127, 889, 1651, 11557, 1876009, 13132063, 24388117, 170716819, 238253143, 1667772001, 3097290859, 21681036013]

約数ペア:

[(1, 21681036013), (7, 3097290859), (13, 1667772001), (91, 238253143), (127, 170716819), (889, 24388117), (1651, 13132063), (11557, 1876009)]