21327709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 24505600

約数和(自身を除く): 3177891

約数列:

[1, 13, 19, 79, 247, 1027, 1093, 1501, 14209, 19513, 20767, 86347, 269971, 1122511, 1640593, 21327709]

約数ペア:

[(1, 21327709), (13, 1640593), (19, 1122511), (79, 269971), (247, 86347), (1027, 20767), (1093, 19513), (1501, 14209)]