21481192

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 20120408

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 641, 1282, 2564, 4189, 5128, 8378, 16756, 33512, 37819, 45511, 75638, 91022, 151276, 182044, 302552, 364088, 2685149, 5370298, 10740596, 21481192]

約数ペア:

[(1, 21481192), (2, 10740596), (4, 5370298), (8, 2685149), (59, 364088), (71, 302552), (118, 182044), (142, 151276), (236, 91022), (284, 75638), (472, 45511), (568, 37819), (641, 33512), (1282, 16756), (2564, 8378), (4189, 5128)]