21241144

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 42203520

約数和(自身を除く): 20962376

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 1723, 3082, 3446, 6164, 6892, 12328, 13784, 39629, 79258, 115441, 158516, 230882, 317032, 461764, 923528, 2655143, 5310286, 10620572, 21241144]

約数ペア:

[(1, 21241144), (2, 10620572), (4, 5310286), (8, 2655143), (23, 923528), (46, 461764), (67, 317032), (92, 230882), (134, 158516), (184, 115441), (268, 79258), (536, 39629), (1541, 13784), (1723, 12328), (3082, 6892), (3446, 6164)]