21936344

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 20831656

約数列:

[1, 2, 4, 8, 31, 62, 124, 197, 248, 394, 449, 788, 898, 1576, 1796, 3592, 6107, 12214, 13919, 24428, 27838, 48856, 55676, 88453, 111352, 176906, 353812, 707624, 2742043, 5484086, 10968172, 21936344]

約数ペア:

[(1, 21936344), (2, 10968172), (4, 5484086), (8, 2742043), (31, 707624), (62, 353812), (124, 176906), (197, 111352), (248, 88453), (394, 55676), (449, 48856), (788, 27838), (898, 24428), (1576, 13919), (1796, 12214), (3592, 6107)]