21192688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120413}}^1$

素因数の和:120432

約数の個数: 20

約数和(自身を含む): 44794008

約数和(自身を除く): 23601320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120413, 240826, 481652, 963304, 1324543, 1926608, 2649086, 5298172, 10596344, 21192688]

約数ペア:

[(1, 21192688), (2, 10596344), (4, 5298172), (8, 2649086), (11, 1926608), (16, 1324543), (22, 963304), (44, 481652), (88, 240826), (176, 120413)]