21986008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{577}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 45153360

約数和(自身を除く): 23167352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 433, 577, 866, 1154, 1732, 2308, 3464, 4616, 4763, 6347, 9526, 12694, 19052, 25388, 38104, 50776, 249841, 499682, 999364, 1998728, 2748251, 5496502, 10993004, 21986008]

約数ペア:

[(1, 21986008), (2, 10993004), (4, 5496502), (8, 2748251), (11, 1998728), (22, 999364), (44, 499682), (88, 249841), (433, 50776), (577, 38104), (866, 25388), (1154, 19052), (1732, 12694), (2308, 9526), (3464, 6347), (4616, 4763)]