21172368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 63595136

約数和(自身を除く): 42422768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1033, 1281, 1464, 1708, 2066, 2562, 2928, 3099, 3416, 4132, 5124, 6198, 6832, 7231, 8264, 10248, 12396, 14462, 16528, 20496, 21693, 24792, 28924, 43386, 49584, 57848, 63013, 86772, 115696, 126026, 173544, 189039, 252052, 347088, 378078, 441091, 504104, 756156, 882182, 1008208, 1323273, 1512312, 1764364, 2646546, 3024624, 3528728, 5293092, 7057456, 10586184, 21172368]

約数ペア:

[(1, 21172368), (2, 10586184), (3, 7057456), (4, 5293092), (6, 3528728), (7, 3024624), (8, 2646546), (12, 1764364), (14, 1512312), (16, 1323273), (21, 1008208), (24, 882182), (28, 756156), (42, 504104), (48, 441091), (56, 378078), (61, 347088), (84, 252052), (112, 189039), (122, 173544), (168, 126026), (183, 115696), (244, 86772), (336, 63013), (366, 57848), (427, 49584), (488, 43386), (732, 28924), (854, 24792), (976, 21693), (1033, 20496), (1281, 16528), (1464, 14462), (1708, 12396), (2066, 10248), (2562, 8264), (2928, 7231), (3099, 6832), (3416, 6198), (4132, 5124)]