21816709655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{378401}}^1$

素因数の和:379306

約数の個数: 16

約数和(自身を含む): 28225761984

約数和(自身を除く): 6409052329

約数列:

[1, 5, 13, 65, 887, 4435, 11531, 57655, 378401, 1892005, 4919213, 24596065, 335641687, 1678208435, 4363341931, 21816709655]

約数ペア:

[(1, 21816709655), (5, 4363341931), (13, 1678208435), (65, 335641687), (887, 24596065), (4435, 4919213), (11531, 1892005), (57655, 378401)]