21371296

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12601}}^1$

素因数の和:12664

約数の個数: 24

約数和(自身を含む): 42872004

約数和(自身を除く): 21500708

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12601, 25202, 50404, 100808, 201616, 403232, 667853, 1335706, 2671412, 5342824, 10685648, 21371296]

約数ペア:

[(1, 21371296), (2, 10685648), (4, 5342824), (8, 2671412), (16, 1335706), (32, 667853), (53, 403232), (106, 201616), (212, 100808), (424, 50404), (848, 25202), (1696, 12601)]