21878304

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4651}}^1$

素因数の和:4678

約数の個数: 72

約数和(自身を含む): 66821328

約数和(自身を除く): 44943024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4651, 4704, 9302, 13953, 18604, 27906, 32557, 37208, 55812, 65114, 74416, 97671, 111624, 130228, 148832, 195342, 223248, 227899, 260456, 390684, 446496, 455798, 520912, 683697, 781368, 911596, 1041824, 1367394, 1562736, 1823192, 2734788, 3125472, 3646384, 5469576, 7292768, 10939152, 21878304]

約数ペア:

[(1, 21878304), (2, 10939152), (3, 7292768), (4, 5469576), (6, 3646384), (7, 3125472), (8, 2734788), (12, 1823192), (14, 1562736), (16, 1367394), (21, 1041824), (24, 911596), (28, 781368), (32, 683697), (42, 520912), (48, 455798), (49, 446496), (56, 390684), (84, 260456), (96, 227899), (98, 223248), (112, 195342), (147, 148832), (168, 130228), (196, 111624), (224, 97671), (294, 74416), (336, 65114), (392, 55812), (588, 37208), (672, 32557), (784, 27906), (1176, 18604), (1568, 13953), (2352, 9302), (4651, 4704)]