21400818

素因数分解:

$2^1\times 3^1\times {\mathrm{1307}}^1\times {\mathrm{2729}}^1$

素因数の和:4041

約数の個数: 16

約数和(自身を含む): 42850080

約数和(自身を除く): 21449262

約数列:

[1, 2, 3, 6, 1307, 2614, 2729, 3921, 5458, 7842, 8187, 16374, 3566803, 7133606, 10700409, 21400818]

約数ペア:

[(1, 21400818), (2, 10700409), (3, 7133606), (6, 3566803), (1307, 16374), (2614, 8187), (2729, 7842), (3921, 5458)]