21617302

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 39908160

約数和(自身を除く): 18290858

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1489, 2074, 2978, 7259, 10423, 14518, 20846, 25313, 50626, 90829, 177191, 181658, 354382, 635803, 1271606, 1544093, 3088186, 10808651, 21617302]

約数ペア:

[(1, 21617302), (2, 10808651), (7, 3088186), (14, 1544093), (17, 1271606), (34, 635803), (61, 354382), (119, 181658), (122, 177191), (238, 90829), (427, 50626), (854, 25313), (1037, 20846), (1489, 14518), (2074, 10423), (2978, 7259)]