21902902

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{13147}}^1$

素因数の和:13180

約数の個数: 24

約数和(自身を含む): 40469544

約数和(自身を除く): 18566642

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 13147, 26294, 92029, 184058, 223499, 446998, 644203, 1288406, 1564493, 3128986, 10951451, 21902902]

約数ペア:

[(1, 21902902), (2, 10951451), (7, 3128986), (14, 1564493), (17, 1288406), (34, 644203), (49, 446998), (98, 223499), (119, 184058), (238, 92029), (833, 26294), (1666, 13147)]