21838353

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 11707887

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 727, 969, 1581, 1767, 2181, 10013, 12359, 13813, 22537, 30039, 37077, 41439, 67611, 234821, 383129, 428203, 704463, 1149387, 1284609, 7279451, 21838353]

約数ペア:

[(1, 21838353), (3, 7279451), (17, 1284609), (19, 1149387), (31, 704463), (51, 428203), (57, 383129), (93, 234821), (323, 67611), (527, 41439), (589, 37077), (727, 30039), (969, 22537), (1581, 13813), (1767, 12359), (2181, 10013)]