21281582

素因数分解:

$2^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{547}}^1$

素因数の和:960

約数の個数: 24

約数和(自身を含む): 37295784

約数和(自身を除く): 16014202

約数列:

[1, 2, 7, 14, 49, 98, 397, 547, 794, 1094, 2779, 3829, 5558, 7658, 19453, 26803, 38906, 53606, 217159, 434318, 1520113, 3040226, 10640791, 21281582]

約数ペア:

[(1, 21281582), (2, 10640791), (7, 3040226), (14, 1520113), (49, 434318), (98, 217159), (397, 53606), (547, 38906), (794, 26803), (1094, 19453), (2779, 7658), (3829, 5558)]