21787497328

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{859}}^1\times {\mathrm{4139}}^1$

素因数の和:5389

約数の個数: 40

約数和(自身を含む): 42383001600

約数和(自身を除く): 20595504272

約数列:

[1, 2, 4, 8, 16, 383, 766, 859, 1532, 1718, 3064, 3436, 4139, 6128, 6872, 8278, 13744, 16556, 33112, 66224, 328997, 657994, 1315988, 1585237, 2631976, 3170474, 3555401, 5263952, 6340948, 7110802, 12681896, 14221604, 25363792, 28443208, 56886416, 1361718583, 2723437166, 5446874332, 10893748664, 21787497328]

約数ペア:

[(1, 21787497328), (2, 10893748664), (4, 5446874332), (8, 2723437166), (16, 1361718583), (383, 56886416), (766, 28443208), (859, 25363792), (1532, 14221604), (1718, 12681896), (3064, 7110802), (3436, 6340948), (4139, 5263952), (6128, 3555401), (6872, 3170474), (8278, 2631976), (13744, 1585237), (16556, 1315988), (33112, 657994), (66224, 328997)]