25921119

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{20921}}^1$

素因数の和:20990

約数の個数: 16

約数和(自身を含む): 40170240

約数和(自身を除く): 14249121

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 20921, 62763, 146447, 439341, 1234339, 3703017, 8640373, 25921119]

約数ペア:

[(1, 25921119), (3, 8640373), (7, 3703017), (21, 1234339), (59, 439341), (177, 146447), (413, 62763), (1239, 20921)]