21809552

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3559}}^1$

素因数の和:3950

約数の個数: 20

約数和(自身を含む): 42378240

約数和(自身を除く): 20568688

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3559, 6128, 7118, 14236, 28472, 56944, 1363097, 2726194, 5452388, 10904776, 21809552]

約数ペア:

[(1, 21809552), (2, 10904776), (4, 5452388), (8, 2726194), (16, 1363097), (383, 56944), (766, 28472), (1532, 14236), (3064, 7118), (3559, 6128)]