21000407046

素因数分解:

$2^1\times 3^1\times {\mathrm{10321}}^1\times {\mathrm{339121}}^1$

素因数の和:349447

約数の個数: 16

約数和(自身を含む): 42005007408

約数和(自身を除く): 21004600362

約数列:

[1, 2, 3, 6, 10321, 20642, 30963, 61926, 339121, 678242, 1017363, 2034726, 3500067841, 7000135682, 10500203523, 21000407046]

約数ペア:

[(1, 21000407046), (2, 10500203523), (3, 7000135682), (6, 3500067841), (10321, 2034726), (20642, 1017363), (30963, 678242), (61926, 339121)]