21000391661

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{297317}}^1$

素因数の和:297460

約数の個数: 16

約数和(自身を含む): 22776937344

約数和(自身を除く): 1776545683

約数列:

[1, 23, 37, 83, 851, 1909, 3071, 70633, 297317, 6838291, 11000729, 24677311, 253016767, 567578153, 913060507, 21000391661]

約数ペア:

[(1, 21000391661), (23, 913060507), (37, 567578153), (83, 253016767), (851, 24677311), (1909, 11000729), (3071, 6838291), (70633, 297317)]