21007029238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1\times {\mathrm{3301}}^1$

素因数の和:5032

約数の個数: 32

約数和(自身を含む): 34182832320

約数和(自身を除く): 13175803082

約数列:

[1, 2, 13, 26, 157, 314, 1559, 2041, 3118, 3301, 4082, 6602, 20267, 40534, 42913, 85826, 244763, 489526, 518257, 1036514, 3181919, 5146259, 6363838, 6737341, 10292518, 13474682, 66901367, 133802734, 807962663, 1615925326, 10503514619, 21007029238]

約数ペア:

[(1, 21007029238), (2, 10503514619), (13, 1615925326), (26, 807962663), (157, 133802734), (314, 66901367), (1559, 13474682), (2041, 10292518), (3118, 6737341), (3301, 6363838), (4082, 5146259), (6602, 3181919), (20267, 1036514), (40534, 518257), (42913, 489526), (85826, 244763)]