21345818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22189}}^1$

素因数の和:22241

約数の個数: 16

約数和(自身を含む): 35415240

約数和(自身を除く): 14069422

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 22189, 44378, 288457, 576914, 820993, 1641986, 10672909, 21345818]

約数ペア:

[(1, 21345818), (2, 10672909), (13, 1641986), (26, 820993), (37, 576914), (74, 288457), (481, 44378), (962, 22189)]