21796021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 25043200

約数和(自身を除く): 3247179

約数列:

[1, 13, 19, 79, 247, 1027, 1117, 1501, 14521, 19513, 21223, 88243, 275899, 1147159, 1676617, 21796021]

約数ペア:

[(1, 21796021), (13, 1676617), (19, 1147159), (79, 275899), (247, 88243), (1027, 21223), (1117, 19513), (1501, 14521)]