21214257

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5801}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 30077568

約数和(自身を除く): 8863311

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5801, 17403, 133423, 307453, 400269, 922359, 7071419, 21214257]

約数ペア:

[(1, 21214257), (3, 7071419), (23, 922359), (53, 400269), (69, 307453), (159, 133423), (1219, 17403), (3657, 5801)]