21139344

素因数分解:

$2^4\times 3^2\times {\mathrm{146801}}^1$

素因数の和:146815

約数の個数: 30

約数和(自身を含む): 59161206

約数和(自身を除く): 38021862

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146801, 293602, 440403, 587204, 880806, 1174408, 1321209, 1761612, 2348816, 2642418, 3523224, 5284836, 7046448, 10569672, 21139344]

約数ペア:

[(1, 21139344), (2, 10569672), (3, 7046448), (4, 5284836), (6, 3523224), (8, 2642418), (9, 2348816), (12, 1761612), (16, 1321209), (18, 1174408), (24, 880806), (36, 587204), (48, 440403), (72, 293602), (144, 146801)]