21191569553

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2389}}^1\times {\mathrm{115201}}^1$

素因数の和:117608

約数の個数: 16

約数和(自身を含む): 26431946880

約数和(自身を除く): 5240377327

約数列:

[1, 7, 11, 77, 2389, 16723, 26279, 115201, 183953, 806407, 1267211, 8870477, 275215189, 1926506323, 3027367079, 21191569553]

約数ペア:

[(1, 21191569553), (7, 3027367079), (11, 1926506323), (77, 275215189), (2389, 8870477), (16723, 1267211), (26279, 806407), (115201, 183953)]