21809001982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4150933}}^1$

素因数の和:4151043

約数の個数: 16

約数和(自身を含む): 34070866272

約数和(自身を除く): 12261864290

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 4150933, 8301866, 153584521, 294716243, 307169042, 589432486, 10904500991, 21809001982]

約数ペア:

[(1, 21809001982), (2, 10904500991), (37, 589432486), (71, 307169042), (74, 294716243), (142, 153584521), (2627, 8301866), (5254, 4150933)]