21949798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 15128474

約数列:

[1, 2, 13, 26, 31, 62, 113, 226, 241, 403, 482, 806, 1469, 2938, 3133, 3503, 6266, 7006, 7471, 14942, 27233, 45539, 54466, 91078, 97123, 194246, 354029, 708058, 844223, 1688446, 10974899, 21949798]

約数ペア:

[(1, 21949798), (2, 10974899), (13, 1688446), (26, 844223), (31, 708058), (62, 354029), (113, 194246), (226, 97123), (241, 91078), (403, 54466), (482, 45539), (806, 27233), (1469, 14942), (2938, 7471), (3133, 7006), (3503, 6266)]