21769969221

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{219679}}^1$

素因数の和:219727

約数の個数: 72

約数和(自身を含む): 42540592640

約数和(自身を除く): 20770623419

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 847, 1001, 1089, 1287, 1573, 2541, 3003, 4719, 7623, 9009, 11011, 14157, 33033, 99099, 219679, 659037, 1537753, 1977111, 2416469, 2855827, 4613259, 7249407, 8567481, 13839777, 16915283, 19990789, 21748221, 25702443, 26581159, 31414097, 50745849, 59972367, 79743477, 94242291, 152237547, 179917101, 186068113, 219898679, 239230431, 282726873, 345555067, 558204339, 659696037, 1036665201, 1674613017, 1979088111, 2418885469, 3109995603, 7256656407, 21769969221]

約数ペア:

[(1, 21769969221), (3, 7256656407), (7, 3109995603), (9, 2418885469), (11, 1979088111), (13, 1674613017), (21, 1036665201), (33, 659696037), (39, 558204339), (63, 345555067), (77, 282726873), (91, 239230431), (99, 219898679), (117, 186068113), (121, 179917101), (143, 152237547), (231, 94242291), (273, 79743477), (363, 59972367), (429, 50745849), (693, 31414097), (819, 26581159), (847, 25702443), (1001, 21748221), (1089, 19990789), (1287, 16915283), (1573, 13839777), (2541, 8567481), (3003, 7249407), (4719, 4613259), (7623, 2855827), (9009, 2416469), (11011, 1977111), (14157, 1537753), (33033, 659037), (99099, 219679)]