21668142

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{33751}}^1$

素因数の和:33863

約数の個数: 16

約数和(自身を含む): 43742592

約数和(自身を除く): 22074450

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 33751, 67502, 101253, 202506, 3611357, 7222714, 10834071, 21668142]

約数ペア:

[(1, 21668142), (2, 10834071), (3, 7222714), (6, 3611357), (107, 202506), (214, 101253), (321, 67502), (642, 33751)]