21290958

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2333}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 51254640

約数和(自身を除く): 29963682

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2333, 3042, 4563, 4666, 6999, 9126, 13998, 20997, 30329, 41994, 60658, 62991, 90987, 125982, 181974, 272961, 394277, 545922, 788554, 818883, 1182831, 1637766, 2365662, 3548493, 7096986, 10645479, 21290958]

約数ペア:

[(1, 21290958), (2, 10645479), (3, 7096986), (6, 3548493), (9, 2365662), (13, 1637766), (18, 1182831), (26, 818883), (27, 788554), (39, 545922), (54, 394277), (78, 272961), (117, 181974), (169, 125982), (234, 90987), (338, 62991), (351, 60658), (507, 41994), (702, 30329), (1014, 20997), (1521, 13998), (2333, 9126), (3042, 6999), (4563, 4666)]