21097187

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2541853

約数列:

[1, 17, 23, 79, 391, 683, 1343, 1817, 11611, 15709, 30889, 53957, 267053, 917269, 1241011, 21097187]

約数ペア:

[(1, 21097187), (17, 1241011), (23, 917269), (79, 267053), (391, 53957), (683, 30889), (1343, 15709), (1817, 11611)]