21073968

素因数分解:

$2^4\times 3^2\times {\mathrm{146347}}^1$

素因数の和:146361

約数の個数: 30

約数和(自身を含む): 58978244

約数和(自身を除く): 37904276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146347, 292694, 439041, 585388, 878082, 1170776, 1317123, 1756164, 2341552, 2634246, 3512328, 5268492, 7024656, 10536984, 21073968]

約数ペア:

[(1, 21073968), (2, 10536984), (3, 7024656), (4, 5268492), (6, 3512328), (8, 2634246), (9, 2341552), (12, 1756164), (16, 1317123), (18, 1170776), (24, 878082), (36, 585388), (48, 439041), (72, 292694), (144, 146347)]