21299916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161363}}^1$

素因数の和:161381

約数の個数: 24

約数和(自身を含む): 54218304

約数和(自身を除く): 32918388

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161363, 322726, 484089, 645452, 968178, 1774993, 1936356, 3549986, 5324979, 7099972, 10649958, 21299916]

約数ペア:

[(1, 21299916), (2, 10649958), (3, 7099972), (4, 5324979), (6, 3549986), (11, 1936356), (12, 1774993), (22, 968178), (33, 645452), (44, 484089), (66, 322726), (132, 161363)]