21036808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202277}}^1$

素因数の和:202296

約数の個数: 16

約数和(自身を含む): 42478380

約数和(自身を除く): 21441572

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202277, 404554, 809108, 1618216, 2629601, 5259202, 10518404, 21036808]

約数ペア:

[(1, 21036808), (2, 10518404), (4, 5259202), (8, 2629601), (13, 1618216), (26, 809108), (52, 404554), (104, 202277)]