21292664

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1193}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 42124320

約数和(自身を除く): 20831656

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1193, 2231, 2386, 4462, 4772, 8924, 9544, 17848, 27439, 54878, 109756, 115721, 219512, 231442, 462884, 925768, 2661583, 5323166, 10646332, 21292664]

約数ペア:

[(1, 21292664), (2, 10646332), (4, 5323166), (8, 2661583), (23, 925768), (46, 462884), (92, 231442), (97, 219512), (184, 115721), (194, 109756), (388, 54878), (776, 27439), (1193, 17848), (2231, 9544), (2386, 8924), (4462, 4772)]