21858494

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38840256

約数和(自身を除く): 16981762

約数列:

[1, 2, 7, 14, 41, 82, 113, 226, 287, 337, 574, 674, 791, 1582, 2359, 4633, 4718, 9266, 13817, 27634, 32431, 38081, 64862, 76162, 96719, 193438, 266567, 533134, 1561321, 3122642, 10929247, 21858494]

約数ペア:

[(1, 21858494), (2, 10929247), (7, 3122642), (14, 1561321), (41, 533134), (82, 266567), (113, 193438), (226, 96719), (287, 76162), (337, 64862), (574, 38081), (674, 32431), (791, 27634), (1582, 13817), (2359, 9266), (4633, 4718)]