21234578

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1481}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 32651424

約数和(自身を除く): 11416846

約数列:

[1, 2, 67, 107, 134, 214, 1481, 2962, 7169, 14338, 99227, 158467, 198454, 316934, 10617289, 21234578]

約数ペア:

[(1, 21234578), (2, 10617289), (67, 316934), (107, 198454), (134, 158467), (214, 99227), (1481, 14338), (2962, 7169)]