21343878

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29459322

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 293, 342, 426, 513, 586, 639, 879, 1026, 1278, 1349, 1758, 1917, 2637, 2698, 3834, 4047, 5274, 5567, 7911, 8094, 11134, 12141, 15822, 16701, 20803, 24282, 33402, 36423, 41606, 50103, 62409, 72846, 100206, 124818, 150309, 187227, 300618, 374454, 395257, 561681, 790514, 1123362, 1185771, 2371542, 3557313, 7114626, 10671939, 21343878]

約数ペア:

[(1, 21343878), (2, 10671939), (3, 7114626), (6, 3557313), (9, 2371542), (18, 1185771), (19, 1123362), (27, 790514), (38, 561681), (54, 395257), (57, 374454), (71, 300618), (114, 187227), (142, 150309), (171, 124818), (213, 100206), (293, 72846), (342, 62409), (426, 50103), (513, 41606), (586, 36423), (639, 33402), (879, 24282), (1026, 20803), (1278, 16701), (1349, 15822), (1758, 12141), (1917, 11134), (2637, 8094), (2698, 7911), (3834, 5567), (4047, 5274)]