21994024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2897}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 45034920

約数和(自身を除く): 23040896

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2897, 3796, 5794, 7592, 11588, 23176, 37661, 75322, 150644, 211481, 301288, 422962, 845924, 1691848, 2749253, 5498506, 10997012, 21994024]

約数ペア:

[(1, 21994024), (2, 10997012), (4, 5498506), (8, 2749253), (13, 1691848), (26, 845924), (52, 422962), (73, 301288), (104, 211481), (146, 150644), (292, 75322), (584, 37661), (949, 23176), (1898, 11588), (2897, 7592), (3796, 5794)]