21702542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1759}}^1$

素因数の和:1991

約数の個数: 16

約数和(自身を含む): 33792000

約数和(自身を除く): 12089458

約数列:

[1, 2, 31, 62, 199, 398, 1759, 3518, 6169, 12338, 54529, 109058, 350041, 700082, 10851271, 21702542]

約数ペア:

[(1, 21702542), (2, 10851271), (31, 700082), (62, 350041), (199, 109058), (398, 54529), (1759, 12338), (3518, 6169)]