21647056

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{6067}}^1$

素因数の和:6298

約数の個数: 20

約数和(自身を含む): 42136192

約数和(自身を除く): 20489136

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 6067, 12134, 24268, 48536, 97072, 1352941, 2705882, 5411764, 10823528, 21647056]

約数ペア:

[(1, 21647056), (2, 10823528), (4, 5411764), (8, 2705882), (16, 1352941), (223, 97072), (446, 48536), (892, 24268), (1784, 12134), (3568, 6067)]