21162878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 14738050

約数列:

[1, 2, 11, 22, 47, 94, 97, 194, 211, 422, 517, 1034, 1067, 2134, 2321, 4559, 4642, 9118, 9917, 19834, 20467, 40934, 50149, 100298, 109087, 218174, 225137, 450274, 961949, 1923898, 10581439, 21162878]

約数ペア:

[(1, 21162878), (2, 10581439), (11, 1923898), (22, 961949), (47, 450274), (94, 225137), (97, 218174), (194, 109087), (211, 100298), (422, 50149), (517, 40934), (1034, 20467), (1067, 19834), (2134, 9917), (2321, 9118), (4559, 4642)]