21255048

素因数分解:

$2^3\times 3^4\times {\mathrm{32801}}^1$

素因数の和:32819

約数の個数: 40

約数和(自身を含む): 59535630

約数和(自身を除く): 38280582

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32801, 65602, 98403, 131204, 196806, 262408, 295209, 393612, 590418, 787224, 885627, 1180836, 1771254, 2361672, 2656881, 3542508, 5313762, 7085016, 10627524, 21255048]

約数ペア:

[(1, 21255048), (2, 10627524), (3, 7085016), (4, 5313762), (6, 3542508), (8, 2656881), (9, 2361672), (12, 1771254), (18, 1180836), (24, 885627), (27, 787224), (36, 590418), (54, 393612), (72, 295209), (81, 262408), (108, 196806), (162, 131204), (216, 98403), (324, 65602), (648, 32801)]