21477038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 36571392

約数和(自身を除く): 15094354

約数列:

[1, 2, 11, 22, 43, 73, 86, 146, 311, 473, 622, 803, 946, 1606, 3139, 3421, 6278, 6842, 13373, 22703, 26746, 34529, 45406, 69058, 147103, 249733, 294206, 499466, 976229, 1952458, 10738519, 21477038]

約数ペア:

[(1, 21477038), (2, 10738519), (11, 1952458), (22, 976229), (43, 499466), (73, 294206), (86, 249733), (146, 147103), (311, 69058), (473, 45406), (622, 34529), (803, 26746), (946, 22703), (1606, 13373), (3139, 6842), (3421, 6278)]