21510552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 40985448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2099, 2562, 3416, 4198, 5124, 6297, 8396, 10248, 12594, 14693, 16792, 25188, 29386, 44079, 50376, 58772, 88158, 117544, 128039, 176316, 256078, 352632, 384117, 512156, 768234, 896273, 1024312, 1536468, 1792546, 2688819, 3072936, 3585092, 5377638, 7170184, 10755276, 21510552]

約数ペア:

[(1, 21510552), (2, 10755276), (3, 7170184), (4, 5377638), (6, 3585092), (7, 3072936), (8, 2688819), (12, 1792546), (14, 1536468), (21, 1024312), (24, 896273), (28, 768234), (42, 512156), (56, 384117), (61, 352632), (84, 256078), (122, 176316), (168, 128039), (183, 117544), (244, 88158), (366, 58772), (427, 50376), (488, 44079), (732, 29386), (854, 25188), (1281, 16792), (1464, 14693), (1708, 12594), (2099, 10248), (2562, 8396), (3416, 6297), (4198, 5124)]