21096514

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13117886

約数列:

[1, 2, 29, 47, 58, 71, 94, 109, 142, 218, 1363, 2059, 2726, 3161, 3337, 4118, 5123, 6322, 6674, 7739, 10246, 15478, 96773, 148567, 193546, 224431, 297134, 363733, 448862, 727466, 10548257, 21096514]

約数ペア:

[(1, 21096514), (2, 10548257), (29, 727466), (47, 448862), (58, 363733), (71, 297134), (94, 224431), (109, 193546), (142, 148567), (218, 96773), (1363, 15478), (2059, 10246), (2726, 7739), (3161, 6674), (3337, 6322), (4118, 5123)]