21263086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 38035872

約数和(自身を除く): 16772786

約数列:

[1, 2, 13, 23, 26, 31, 37, 46, 62, 74, 299, 403, 481, 598, 713, 806, 851, 961, 962, 1147, 1426, 1702, 1922, 2294, 9269, 11063, 12493, 14911, 18538, 22103, 22126, 24986, 26381, 29822, 35557, 44206, 52762, 71114, 287339, 342953, 462241, 574678, 685906, 817811, 924482, 1635622, 10631543, 21263086]

約数ペア:

[(1, 21263086), (2, 10631543), (13, 1635622), (23, 924482), (26, 817811), (31, 685906), (37, 574678), (46, 462241), (62, 342953), (74, 287339), (299, 71114), (403, 52762), (481, 44206), (598, 35557), (713, 29822), (806, 26381), (851, 24986), (961, 22126), (962, 22103), (1147, 18538), (1426, 14911), (1702, 12493), (1922, 11063), (2294, 9269)]