21634041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 12557319

約数列:

[1, 3, 11, 13, 33, 39, 143, 211, 239, 429, 633, 717, 2321, 2629, 2743, 3107, 6963, 7887, 8229, 9321, 30173, 34177, 50429, 90519, 102531, 151287, 554719, 655577, 1664157, 1966731, 7211347, 21634041]

約数ペア:

[(1, 21634041), (3, 7211347), (11, 1966731), (13, 1664157), (33, 655577), (39, 554719), (143, 151287), (211, 102531), (239, 90519), (429, 50429), (633, 34177), (717, 30173), (2321, 9321), (2629, 8229), (2743, 7887), (3107, 6963)]