21070295410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49000687}}^1$

素因数の和:49000737

約数の個数: 16

約数和(自身を含む): 38808544896

約数和(自身を除く): 17738249486

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49000687, 98001374, 245003435, 490006870, 2107029541, 4214059082, 10535147705, 21070295410]

約数ペア:

[(1, 21070295410), (2, 10535147705), (5, 4214059082), (10, 2107029541), (43, 490006870), (86, 245003435), (215, 98001374), (430, 49000687)]