21016401

素因数分解:

$3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{2143}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 32108544

約数和(自身を除く): 11092143

約数列:

[1, 3, 7, 21, 467, 1401, 2143, 3269, 6429, 9807, 15001, 45003, 1000781, 3002343, 7005467, 21016401]

約数ペア:

[(1, 21016401), (3, 7005467), (7, 3002343), (21, 1000781), (467, 45003), (1401, 15001), (2143, 9807), (3269, 6429)]