21009568

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21179}}^1$

素因数の和:21220

約数の個数: 24

約数和(自身を含む): 42698880

約数和(自身を除く): 21689312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21179, 42358, 84716, 169432, 338864, 656549, 677728, 1313098, 2626196, 5252392, 10504784, 21009568]

約数ペア:

[(1, 21009568), (2, 10504784), (4, 5252392), (8, 2626196), (16, 1313098), (31, 677728), (32, 656549), (62, 338864), (124, 169432), (248, 84716), (496, 42358), (992, 21179)]