21878045264

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{2854651}}^1$

素因数の和:2855138

約数の個数: 20

約数和(自身を含む): 42477221760

約数和(自身を除く): 20599176496

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 2854651, 5709302, 11418604, 22837208, 45674416, 1367377829, 2734755658, 5469511316, 10939022632, 21878045264]

約数ペア:

[(1, 21878045264), (2, 10939022632), (4, 5469511316), (8, 2734755658), (16, 1367377829), (479, 45674416), (958, 22837208), (1916, 11418604), (3832, 5709302), (7664, 2854651)]