16211769

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 26664960

約数和(自身を除く): 10453191

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 991, 2337, 2973, 5453, 6937, 16359, 18829, 20811, 40631, 56487, 121893, 131803, 284417, 395409, 771989, 853251, 2315967, 5403923, 16211769]

約数ペア:

[(1, 16211769), (3, 5403923), (7, 2315967), (19, 853251), (21, 771989), (41, 395409), (57, 284417), (123, 131803), (133, 121893), (287, 56487), (399, 40631), (779, 20811), (861, 18829), (991, 16359), (2337, 6937), (2973, 5453)]