21148688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120163}}^1$

素因数の和:120182

約数の個数: 20

約数和(自身を含む): 44701008

約数和(自身を除く): 23552320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120163, 240326, 480652, 961304, 1321793, 1922608, 2643586, 5287172, 10574344, 21148688]

約数ペア:

[(1, 21148688), (2, 10574344), (4, 5287172), (8, 2643586), (11, 1922608), (16, 1321793), (22, 961304), (44, 480652), (88, 240326), (176, 120163)]