21993376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40429}}^1$

素因数の和:40456

約数の個数: 24

約数和(自身を含む): 45847620

約数和(自身を除く): 23854244

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40429, 80858, 161716, 323432, 646864, 687293, 1293728, 1374586, 2749172, 5498344, 10996688, 21993376]

約数ペア:

[(1, 21993376), (2, 10996688), (4, 5498344), (8, 2749172), (16, 1374586), (17, 1293728), (32, 687293), (34, 646864), (68, 323432), (136, 161716), (272, 80858), (544, 40429)]