21172466

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17534734

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1399, 2162, 2798, 7567, 9793, 15134, 19586, 32177, 64354, 65753, 131506, 225239, 450478, 460271, 920542, 1512319, 3024638, 10586233, 21172466]

約数ペア:

[(1, 21172466), (2, 10586233), (7, 3024638), (14, 1512319), (23, 920542), (46, 460271), (47, 450478), (94, 225239), (161, 131506), (322, 65753), (329, 64354), (658, 32177), (1081, 19586), (1399, 15134), (2162, 9793), (2798, 7567)]