21431567306

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{377011}}^1$

素因数の和:377717

約数の個数: 16

約数和(自身を含む): 32944816608

約数和(自身を除く): 11513249302

約数列:

[1, 2, 43, 86, 661, 1322, 28423, 56846, 377011, 754022, 16211473, 32422946, 249204271, 498408542, 10715783653, 21431567306]

約数ペア:

[(1, 21431567306), (2, 10715783653), (43, 498408542), (86, 249204271), (661, 32422946), (1322, 16211473), (28423, 754022), (56846, 377011)]