21953768

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38651}}^1$

素因数の和:38728

約数の個数: 16

約数和(自身を含む): 41744160

約数和(自身を除く): 19790392

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38651, 77302, 154604, 309208, 2744221, 5488442, 10976884, 21953768]

約数ペア:

[(1, 21953768), (2, 10976884), (4, 5488442), (8, 2744221), (71, 309208), (142, 154604), (284, 77302), (568, 38651)]