21167293553

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{287689}}^1$

素因数の和:288176

約数の個数: 16

約数和(自身を含む): 25298307840

約数和(自身を除く): 4131014287

約数列:

[1, 7, 23, 161, 457, 3199, 10511, 73577, 287689, 2013823, 6616847, 46317929, 131473873, 920317111, 3023899079, 21167293553]

約数ペア:

[(1, 21167293553), (7, 3023899079), (23, 920317111), (161, 131473873), (457, 46317929), (3199, 6616847), (10511, 2013823), (73577, 287689)]