21419171844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{543689}}^1$

素因数の和:543777

約数の個数: 72

約数和(自身を含む): 59005588320

約数和(自身を除く): 37586416476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 469, 588, 804, 938, 1407, 1876, 2814, 3283, 5628, 6566, 9849, 13132, 19698, 39396, 543689, 1087378, 1631067, 2174756, 3262134, 3805823, 6524268, 7611646, 11417469, 15223292, 22834938, 26640761, 36427163, 45669876, 53281522, 72854326, 79922283, 106563044, 109281489, 145708652, 159844566, 218562978, 254990141, 319689132, 437125956, 509980282, 764970423, 1019960564, 1529940846, 1784930987, 3059881692, 3569861974, 5354792961, 7139723948, 10709585922, 21419171844]

約数ペア:

[(1, 21419171844), (2, 10709585922), (3, 7139723948), (4, 5354792961), (6, 3569861974), (7, 3059881692), (12, 1784930987), (14, 1529940846), (21, 1019960564), (28, 764970423), (42, 509980282), (49, 437125956), (67, 319689132), (84, 254990141), (98, 218562978), (134, 159844566), (147, 145708652), (196, 109281489), (201, 106563044), (268, 79922283), (294, 72854326), (402, 53281522), (469, 45669876), (588, 36427163), (804, 26640761), (938, 22834938), (1407, 15223292), (1876, 11417469), (2814, 7611646), (3283, 6524268), (5628, 3805823), (6566, 3262134), (9849, 2174756), (13132, 1631067), (19698, 1087378), (39396, 543689)]