21014778727901

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{11335523}}^1$

素因数の和:11335865

約数の個数: 32

約数和(自身を含む): 25855876823040

約数和(自身を除く): 4841098095139

約数列:

[1, 7, 19, 53, 133, 263, 371, 1007, 1841, 4997, 7049, 13939, 34979, 97573, 264841, 1853887, 11335523, 79348661, 215374937, 600782719, 1507624559, 2981242549, 4205479033, 11414871661, 20868697843, 56643608431, 79904101627, 158005855097, 396505259017, 1106040985679, 3002111246843, 21014778727901]

約数ペア:

[(1, 21014778727901), (7, 3002111246843), (19, 1106040985679), (53, 396505259017), (133, 158005855097), (263, 79904101627), (371, 56643608431), (1007, 20868697843), (1841, 11414871661), (4997, 4205479033), (7049, 2981242549), (13939, 1507624559), (34979, 600782719), (97573, 215374937), (264841, 79348661), (1853887, 11335523)]