21366836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 38601696

約数和(自身を除く): 17234860

約数列:

[1, 2, 4, 61, 67, 122, 134, 244, 268, 1307, 2614, 4087, 5228, 8174, 16348, 79727, 87569, 159454, 175138, 318908, 350276, 5341709, 10683418, 21366836]

約数ペア:

[(1, 21366836), (2, 10683418), (4, 5341709), (61, 350276), (67, 318908), (122, 175138), (134, 159454), (244, 87569), (268, 79727), (1307, 16348), (2614, 8174), (4087, 5228)]