21217129299

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1079917}}^1$

素因数の和:1080019

約数の個数: 24

約数和(自身を含む): 32008769520

約数和(自身を除く): 10791640221

約数列:

[1, 3, 9, 37, 59, 111, 177, 333, 531, 2183, 6549, 19647, 1079917, 3239751, 9719253, 39956929, 63715103, 119870787, 191145309, 359612361, 573435927, 2357458811, 7072376433, 21217129299]

約数ペア:

[(1, 21217129299), (3, 7072376433), (9, 2357458811), (37, 573435927), (59, 359612361), (111, 191145309), (177, 119870787), (333, 63715103), (531, 39956929), (2183, 9719253), (6549, 3239751), (19647, 1079917)]