21006423361

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{6379}}^1\times {\mathrm{42767}}^1$

素因数の和:49164

約数の個数: 16

約数和(自身を含む): 26194544640

約数和(自身を除く): 5188121279

約数列:

[1, 7, 11, 77, 6379, 42767, 44653, 70169, 299369, 470437, 491183, 3293059, 272810693, 1909674851, 3000917623, 21006423361]

約数ペア:

[(1, 21006423361), (7, 3000917623), (11, 1909674851), (77, 272810693), (6379, 3293059), (42767, 491183), (44653, 470437), (70169, 299369)]