21372392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86179}}^1$

素因数の和:86216

約数の個数: 16

約数和(自身を含む): 41366400

約数和(自身を除く): 19994008

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86179, 172358, 344716, 689432, 2671549, 5343098, 10686196, 21372392]

約数ペア:

[(1, 21372392), (2, 10686196), (4, 5343098), (8, 2671549), (31, 689432), (62, 344716), (124, 172358), (248, 86179)]