21383952

素因数分解:

$2^4\times 3^1\times {\mathrm{445499}}^1$

素因数の和:445510

約数の個数: 20

約数和(自身を含む): 55242000

約数和(自身を除く): 33858048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445499, 890998, 1336497, 1781996, 2672994, 3563992, 5345988, 7127984, 10691976, 21383952]

約数ペア:

[(1, 21383952), (2, 10691976), (3, 7127984), (4, 5345988), (6, 3563992), (8, 2672994), (12, 1781996), (16, 1336497), (24, 890998), (48, 445499)]