21744392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87679}}^1$

素因数の和:87716

約数の個数: 16

約数和(自身を含む): 42086400

約数和(自身を除く): 20342008

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87679, 175358, 350716, 701432, 2718049, 5436098, 10872196, 21744392]

約数ペア:

[(1, 21744392), (2, 10872196), (4, 5436098), (8, 2718049), (31, 701432), (62, 350716), (124, 175358), (248, 87679)]