21071987150

素因数分解:

$2^1\times 5^2\times {\mathrm{421439743}}^1$

素因数の和:421439755

約数の個数: 12

約数和(自身を含む): 39193896192

約数和(自身を除く): 18121909042

約数列:

[1, 2, 5, 10, 25, 50, 421439743, 842879486, 2107198715, 4214397430, 10535993575, 21071987150]

約数ペア:

[(1, 21071987150), (2, 10535993575), (5, 4214397430), (10, 2107198715), (25, 842879486), (50, 421439743)]