21167138277

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{48731}}^1$

素因数の和:48938

約数の個数: 36

約数和(自身を含む): 32674221216

約数和(自身を除く): 11507082939

約数列:

[1, 3, 9, 17, 51, 153, 167, 289, 501, 867, 1503, 2601, 2839, 8517, 25551, 48263, 48731, 144789, 146193, 434367, 438579, 828427, 2485281, 7455843, 8138077, 14083259, 24414231, 42249777, 73242693, 126749331, 138347309, 415041927, 1245125781, 2351904253, 7055712759, 21167138277]

約数ペア:

[(1, 21167138277), (3, 7055712759), (9, 2351904253), (17, 1245125781), (51, 415041927), (153, 138347309), (167, 126749331), (289, 73242693), (501, 42249777), (867, 24414231), (1503, 14083259), (2601, 8138077), (2839, 7455843), (8517, 2485281), (25551, 828427), (48263, 438579), (48731, 434367), (144789, 146193)]