21475468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33347}}^1$

素因数の和:33381

約数の個数: 24

約数和(自身を含む): 44819712

約数和(自身を除く): 23344244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33347, 66694, 133388, 233429, 466858, 766981, 933716, 1533962, 3067924, 5368867, 10737734, 21475468]

約数ペア:

[(1, 21475468), (2, 10737734), (4, 5368867), (7, 3067924), (14, 1533962), (23, 933716), (28, 766981), (46, 466858), (92, 233429), (161, 133388), (322, 66694), (644, 33347)]