21686202

素因数分解:

$2^1\times 3^2\times {\mathrm{353}}^1\times {\mathrm{3413}}^1$

素因数の和:3774

約数の個数: 24

約数和(自身を含む): 47133684

約数和(自身を除く): 25447482

約数列:

[1, 2, 3, 6, 9, 18, 353, 706, 1059, 2118, 3177, 3413, 6354, 6826, 10239, 20478, 30717, 61434, 1204789, 2409578, 3614367, 7228734, 10843101, 21686202]

約数ペア:

[(1, 21686202), (2, 10843101), (3, 7228734), (6, 3614367), (9, 2409578), (18, 1204789), (353, 61434), (706, 30717), (1059, 20478), (2118, 10239), (3177, 6826), (3413, 6354)]