21249916078

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2540033}}^1$

素因数の和:2540171

約数の個数: 16

約数和(自身を含む): 32918840640

約数和(自身を除く): 11668924562

約数列:

[1, 2, 47, 89, 94, 178, 4183, 8366, 2540033, 5080066, 119381551, 226062937, 238763102, 452125874, 10624958039, 21249916078]

約数ペア:

[(1, 21249916078), (2, 10624958039), (47, 452125874), (89, 238763102), (94, 226062937), (178, 119381551), (4183, 5080066), (8366, 2540033)]