21139929206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25970429}}^1$

素因数の和:25970479

約数の個数: 16

約数和(自身を含む): 35527548240

約数和(自身を除く): 14387619034

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25970429, 51940858, 285674719, 571349438, 960905873, 1921811746, 10569964603, 21139929206]

約数ペア:

[(1, 21139929206), (2, 10569964603), (11, 1921811746), (22, 960905873), (37, 571349438), (74, 285674719), (407, 51940858), (814, 25970429)]