21808784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59263}}^1$

素因数の和:59294

約数の個数: 20

約数和(自身を含む): 44092416

約数和(自身を除く): 22283632

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 59263, 118526, 237052, 474104, 948208, 1363049, 2726098, 5452196, 10904392, 21808784]

約数ペア:

[(1, 21808784), (2, 10904392), (4, 5452196), (8, 2726098), (16, 1363049), (23, 948208), (46, 474104), (92, 237052), (184, 118526), (368, 59263)]