21948395

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4787}}^1$

素因数の和:4930

約数の個数: 16

約数和(自身を含む): 30336768

約数和(自身を除く): 8388373

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 4787, 23935, 33509, 167545, 627097, 3135485, 4389679, 21948395]

約数ペア:

[(1, 21948395), (5, 4389679), (7, 3135485), (35, 627097), (131, 167545), (655, 33509), (917, 23935), (4585, 4787)]