21830259

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 34364160

約数和(自身を除く): 12533901

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 941, 1221, 2109, 2823, 7733, 10351, 17879, 23199, 31053, 34817, 53637, 104451, 196669, 382987, 590007, 661523, 1148961, 1984569, 7276753, 21830259]

約数ペア:

[(1, 21830259), (3, 7276753), (11, 1984569), (19, 1148961), (33, 661523), (37, 590007), (57, 382987), (111, 196669), (209, 104451), (407, 53637), (627, 34817), (703, 31053), (941, 23199), (1221, 17879), (2109, 10351), (2823, 7733)]