21674576

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 53294208

約数和(自身を除く): 31619632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 146, 154, 176, 241, 292, 308, 482, 511, 584, 616, 803, 964, 1022, 1168, 1232, 1606, 1687, 1928, 2044, 2651, 3212, 3374, 3856, 4088, 5302, 5621, 6424, 6748, 8176, 10604, 11242, 12848, 13496, 17593, 18557, 21208, 22484, 26992, 35186, 37114, 42416, 44968, 70372, 74228, 89936, 123151, 140744, 148456, 193523, 246302, 281488, 296912, 387046, 492604, 774092, 985208, 1354661, 1548184, 1970416, 2709322, 3096368, 5418644, 10837288, 21674576]

約数ペア:

[(1, 21674576), (2, 10837288), (4, 5418644), (7, 3096368), (8, 2709322), (11, 1970416), (14, 1548184), (16, 1354661), (22, 985208), (28, 774092), (44, 492604), (56, 387046), (73, 296912), (77, 281488), (88, 246302), (112, 193523), (146, 148456), (154, 140744), (176, 123151), (241, 89936), (292, 74228), (308, 70372), (482, 44968), (511, 42416), (584, 37114), (616, 35186), (803, 26992), (964, 22484), (1022, 21208), (1168, 18557), (1232, 17593), (1606, 13496), (1687, 12848), (1928, 11242), (2044, 10604), (2651, 8176), (3212, 6748), (3374, 6424), (3856, 5621), (4088, 5302)]