21000746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47513}}^1$

素因数の和:47545

約数の個数: 16

約数和(自身を含む): 35920584

約数和(自身を除く): 14919838

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47513, 95026, 617669, 807721, 1235338, 1615442, 10500373, 21000746]

約数ペア:

[(1, 21000746), (2, 10500373), (13, 1615442), (17, 1235338), (26, 807721), (34, 617669), (221, 95026), (442, 47513)]