21612752

素因数分解:

$2^4\times 7^1\times {\mathrm{192971}}^1$

素因数の和:192986

約数の個数: 20

約数和(自身を含む): 47857056

約数和(自身を除く): 26244304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192971, 385942, 771884, 1350797, 1543768, 2701594, 3087536, 5403188, 10806376, 21612752]

約数ペア:

[(1, 21612752), (2, 10806376), (4, 5403188), (7, 3087536), (8, 2701594), (14, 1543768), (16, 1350797), (28, 771884), (56, 385942), (112, 192971)]