21166886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22003}}^1$

素因数の和:22055

約数の個数: 16

約数和(自身を含む): 35118384

約数和(自身を除く): 13951498

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 22003, 44006, 286039, 572078, 814111, 1628222, 10583443, 21166886]

約数ペア:

[(1, 21166886), (2, 10583443), (13, 1628222), (26, 814111), (37, 572078), (74, 286039), (481, 44006), (962, 22003)]