21382214

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28817}}^1$

素因数の和:28879

約数の個数: 16

約数和(自身を含む): 37348128

約数和(自身を除く): 15965914

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28817, 57634, 201719, 403438, 1527301, 3054602, 10691107, 21382214]

約数ペア:

[(1, 21382214), (2, 10691107), (7, 3054602), (14, 1527301), (53, 403438), (106, 201719), (371, 57634), (742, 28817)]