21509794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1409}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 34263000

約数和(自身を除く): 12753206

約数列:

[1, 2, 17, 34, 449, 898, 1409, 2818, 7633, 15266, 23953, 47906, 632641, 1265282, 10754897, 21509794]

約数ペア:

[(1, 21509794), (2, 10754897), (17, 1265282), (34, 632641), (449, 47906), (898, 23953), (1409, 15266), (2818, 7633)]