21344464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 43200360

約数和(自身を除く): 21855896

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 157, 232, 293, 314, 464, 586, 628, 1172, 1256, 2344, 2512, 4553, 4688, 8497, 9106, 16994, 18212, 33988, 36424, 46001, 67976, 72848, 92002, 135952, 184004, 368008, 736016, 1334029, 2668058, 5336116, 10672232, 21344464]

約数ペア:

[(1, 21344464), (2, 10672232), (4, 5336116), (8, 2668058), (16, 1334029), (29, 736016), (58, 368008), (116, 184004), (157, 135952), (232, 92002), (293, 72848), (314, 67976), (464, 46001), (586, 36424), (628, 33988), (1172, 18212), (1256, 16994), (2344, 9106), (2512, 8497), (4553, 4688)]