21889602

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 56918400

約数和(自身を除く): 35028798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 97, 126, 162, 189, 194, 199, 291, 378, 398, 567, 582, 597, 679, 873, 1134, 1194, 1358, 1393, 1746, 1791, 2037, 2619, 2786, 3582, 4074, 4179, 5238, 5373, 6111, 7857, 8358, 10746, 12222, 12537, 15714, 16119, 18333, 19303, 25074, 32238, 36666, 37611, 38606, 54999, 57909, 75222, 109998, 112833, 115818, 135121, 173727, 225666, 270242, 347454, 405363, 521181, 810726, 1042362, 1216089, 1563543, 2432178, 3127086, 3648267, 7296534, 10944801, 21889602]

約数ペア:

[(1, 21889602), (2, 10944801), (3, 7296534), (6, 3648267), (7, 3127086), (9, 2432178), (14, 1563543), (18, 1216089), (21, 1042362), (27, 810726), (42, 521181), (54, 405363), (63, 347454), (81, 270242), (97, 225666), (126, 173727), (162, 135121), (189, 115818), (194, 112833), (199, 109998), (291, 75222), (378, 57909), (398, 54999), (567, 38606), (582, 37611), (597, 36666), (679, 32238), (873, 25074), (1134, 19303), (1194, 18333), (1358, 16119), (1393, 15714), (1746, 12537), (1791, 12222), (2037, 10746), (2619, 8358), (2786, 7857), (3582, 6111), (4074, 5373), (4179, 5238)]