21295077

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 29585280

約数和(自身を除く): 8290203

約数列:

[1, 3, 29, 87, 151, 453, 1621, 4379, 4863, 13137, 47009, 141027, 244771, 734313, 7098359, 21295077]

約数ペア:

[(1, 21295077), (3, 7098359), (29, 734313), (87, 244771), (151, 141027), (453, 47009), (1621, 13137), (4379, 4863)]