21256072

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91621}}^1$

素因数の和:91656

約数の個数: 16

約数和(自身を含む): 41229900

約数和(自身を除く): 19973828

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91621, 183242, 366484, 732968, 2657009, 5314018, 10628036, 21256072]

約数ペア:

[(1, 21256072), (2, 10628036), (4, 5314018), (8, 2657009), (29, 732968), (58, 366484), (116, 183242), (232, 91621)]