21336824

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 42452640

約数和(自身を除く): 21115816

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1901, 2806, 3802, 5612, 7604, 11224, 15208, 43723, 87446, 115961, 174892, 231922, 349784, 463844, 927688, 2667103, 5334206, 10668412, 21336824]

約数ペア:

[(1, 21336824), (2, 10668412), (4, 5334206), (8, 2667103), (23, 927688), (46, 463844), (61, 349784), (92, 231922), (122, 174892), (184, 115961), (244, 87446), (488, 43723), (1403, 15208), (1901, 11224), (2806, 7604), (3802, 5612)]