21490749406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2753}}^1\times {\mathrm{29347}}^1$

素因数の和:32128

約数の個数: 32

約数和(自身を含む): 38795708160

約数和(自身を除く): 17304958754

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2753, 5506, 19271, 29347, 38542, 52307, 58694, 104614, 205429, 366149, 410858, 557593, 732298, 1115186, 3903151, 7806302, 80792291, 161584582, 565546037, 1131092074, 1535053529, 3070107058, 10745374703, 21490749406]

約数ペア:

[(1, 21490749406), (2, 10745374703), (7, 3070107058), (14, 1535053529), (19, 1131092074), (38, 565546037), (133, 161584582), (266, 80792291), (2753, 7806302), (5506, 3903151), (19271, 1115186), (29347, 732298), (38542, 557593), (52307, 410858), (58694, 366149), (104614, 205429)]