21945114

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 52214400

約数和(自身を除く): 30269286

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 293, 342, 438, 513, 586, 657, 879, 1026, 1314, 1387, 1758, 1971, 2637, 2774, 3942, 4161, 5274, 5567, 7911, 8322, 11134, 12483, 15822, 16701, 21389, 24966, 33402, 37449, 42778, 50103, 64167, 74898, 100206, 128334, 150309, 192501, 300618, 385002, 406391, 577503, 812782, 1155006, 1219173, 2438346, 3657519, 7315038, 10972557, 21945114]

約数ペア:

[(1, 21945114), (2, 10972557), (3, 7315038), (6, 3657519), (9, 2438346), (18, 1219173), (19, 1155006), (27, 812782), (38, 577503), (54, 406391), (57, 385002), (73, 300618), (114, 192501), (146, 150309), (171, 128334), (219, 100206), (293, 74898), (342, 64167), (438, 50103), (513, 42778), (586, 37449), (657, 33402), (879, 24966), (1026, 21389), (1314, 16701), (1387, 15822), (1758, 12483), (1971, 11134), (2637, 8322), (2774, 7911), (3942, 5567), (4161, 5274)]