221363821

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{44729}}^1$

素因数の和:44844

約数の個数: 12

約数和(自身を含む): 260060220

約数和(自身を除く): 38696399

約数列:

[1, 7, 49, 101, 707, 4949, 44729, 313103, 2191721, 4517629, 31623403, 221363821]

約数ペア:

[(1, 221363821), (7, 31623403), (49, 4517629), (101, 2191721), (707, 313103), (4949, 44729)]