21051291259

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{317693}}^1$

素因数の和:317826

約数の個数: 16

約数和(自身を含む): 22812970752

約数和(自身を除く): 1761679493

約数列:

[1, 23, 43, 67, 989, 1541, 2881, 66263, 317693, 7306939, 13660799, 21285431, 314198377, 489564913, 915273533, 21051291259]

約数ペア:

[(1, 21051291259), (23, 915273533), (43, 489564913), (67, 314198377), (989, 21285431), (1541, 13660799), (2881, 7306939), (66263, 317693)]