21339612

素因数分解:

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

素因数の和:217

約数の個数: 90

約数和(自身を含む): 64419432

約数和(自身を除く): 43079820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 97, 108, 126, 162, 189, 194, 252, 291, 324, 378, 388, 567, 582, 679, 756, 873, 1134, 1164, 1358, 1746, 2037, 2268, 2619, 2716, 3492, 4074, 5238, 6111, 7857, 8148, 9409, 10476, 12222, 15714, 18333, 18818, 24444, 28227, 31428, 36666, 37636, 54999, 56454, 65863, 73332, 84681, 109998, 112908, 131726, 169362, 197589, 219996, 254043, 263452, 338724, 395178, 508086, 592767, 762129, 790356, 1016172, 1185534, 1524258, 1778301, 2371068, 3048516, 3556602, 5334903, 7113204, 10669806, 21339612]

約数ペア:

[(1, 21339612), (2, 10669806), (3, 7113204), (4, 5334903), (6, 3556602), (7, 3048516), (9, 2371068), (12, 1778301), (14, 1524258), (18, 1185534), (21, 1016172), (27, 790356), (28, 762129), (36, 592767), (42, 508086), (54, 395178), (63, 338724), (81, 263452), (84, 254043), (97, 219996), (108, 197589), (126, 169362), (162, 131726), (189, 112908), (194, 109998), (252, 84681), (291, 73332), (324, 65863), (378, 56454), (388, 54999), (567, 37636), (582, 36666), (679, 31428), (756, 28227), (873, 24444), (1134, 18818), (1164, 18333), (1358, 15714), (1746, 12222), (2037, 10476), (2268, 9409), (2619, 8148), (2716, 7857), (3492, 6111), (4074, 5238)]