21708974

素因数分解:

$2^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{2087}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 37283328

約数和(自身を除く): 15574354

約数列:

[1, 2, 7, 14, 743, 1486, 2087, 4174, 5201, 10402, 14609, 29218, 1550641, 3101282, 10854487, 21708974]

約数ペア:

[(1, 21708974), (2, 10854487), (7, 3101282), (14, 1550641), (743, 29218), (1486, 14609), (2087, 10402), (4174, 5201)]