21000921886

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{14019307}}^1$

素因数の和:14019423

約数の個数: 16

約数和(自身を含む): 36338046336

約数和(自身を除く): 15337124450

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 14019307, 28038614, 98135149, 196270298, 1500065849, 3000131698, 10500460943, 21000921886]

約数ペア:

[(1, 21000921886), (2, 10500460943), (7, 3000131698), (14, 1500065849), (107, 196270298), (214, 98135149), (749, 28038614), (1498, 14019307)]