21167903025

素因数分解:

$3^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{374819}}^1$

素因数の和:375086

約数の個数: 36

約数和(自身を含む): 38065219920

約数和(自身を除く): 16897316895

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 251, 753, 1255, 2259, 3765, 6275, 11295, 18825, 56475, 374819, 1124457, 1874095, 3373371, 5622285, 9370475, 16866855, 28111425, 84334275, 94079569, 282238707, 470397845, 846716121, 1411193535, 2351989225, 4233580605, 7055967675, 21167903025]

約数ペア:

[(1, 21167903025), (3, 7055967675), (5, 4233580605), (9, 2351989225), (15, 1411193535), (25, 846716121), (45, 470397845), (75, 282238707), (225, 94079569), (251, 84334275), (753, 28111425), (1255, 16866855), (2259, 9370475), (3765, 5622285), (6275, 3373371), (11295, 1874095), (18825, 1124457), (56475, 374819)]