21700005551

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{4933}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 25782478848

約数和(自身を除く): 4082473297

約数列:

[1, 7, 53, 71, 167, 371, 497, 1169, 3763, 4933, 8851, 11857, 26341, 34531, 61957, 82999, 261449, 350243, 628421, 823811, 1830143, 2451701, 4398947, 5766677, 18562879, 43661983, 58490581, 129940153, 305633881, 409434067, 3100000793, 21700005551]

約数ペア:

[(1, 21700005551), (7, 3100000793), (53, 409434067), (71, 305633881), (167, 129940153), (371, 58490581), (497, 43661983), (1169, 18562879), (3763, 5766677), (4933, 4398947), (8851, 2451701), (11857, 1830143), (26341, 823811), (34531, 628421), (61957, 350243), (82999, 261449)]