21496650916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{22153}}^1\times {\mathrm{18661}}^1$

素因数の和:40831

約数の個数: 24

約数和(自身を含む): 40516918904

約数和(自身を除く): 19020267988

約数列:

[1, 2, 4, 13, 26, 52, 18661, 22153, 37322, 44306, 74644, 88612, 242593, 287989, 485186, 575978, 970372, 1151956, 413397133, 826794266, 1653588532, 5374162729, 10748325458, 21496650916]

約数ペア:

[(1, 21496650916), (2, 10748325458), (4, 5374162729), (13, 1653588532), (26, 826794266), (52, 413397133), (18661, 1151956), (22153, 970372), (37322, 575978), (44306, 485186), (74644, 287989), (88612, 242593)]