21168351

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2221}}^1$

素因数の和:2583

約数の個数: 16

約数和(自身を含む): 31463520

約数和(自身を除く): 10295169

約数列:

[1, 3, 9, 27, 353, 1059, 2221, 3177, 6663, 9531, 19989, 59967, 784013, 2352039, 7056117, 21168351]

約数ペア:

[(1, 21168351), (3, 7056117), (9, 2352039), (27, 784013), (353, 59967), (1059, 19989), (2221, 9531), (3177, 6663)]