21166233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 32624640

約数和(自身を除く): 11458407

約数列:

[1, 3, 11, 23, 33, 69, 79, 237, 253, 353, 759, 869, 1059, 1817, 2607, 3883, 5451, 8119, 11649, 19987, 24357, 27887, 59961, 83661, 89309, 267927, 306757, 641401, 920271, 1924203, 7055411, 21166233]

約数ペア:

[(1, 21166233), (3, 7055411), (11, 1924203), (23, 920271), (33, 641401), (69, 306757), (79, 267927), (237, 89309), (253, 83661), (353, 59961), (759, 27887), (869, 24357), (1059, 19987), (1817, 11649), (2607, 8119), (3883, 5451)]