21376879755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{5641}}^1$

素因数の和:5877

約数の個数: 128

約数和(自身を含む): 45393094656

約数和(自身を除く): 24016214901

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 193, 231, 255, 357, 385, 561, 579, 595, 935, 965, 1155, 1309, 1351, 1785, 2123, 2805, 2895, 3281, 3927, 4053, 5641, 6369, 6545, 6755, 9843, 10615, 14861, 16405, 16923, 19635, 20265, 22967, 28205, 31845, 36091, 39487, 44583, 49215, 62051, 68901, 74305, 84615, 95897, 108273, 114835, 118461, 180455, 186153, 197435, 222915, 252637, 287691, 310255, 344505, 434357, 479485, 541365, 592305, 671279, 757911, 930765, 1054867, 1088713, 1263185, 1303071, 1438455, 2013837, 2171785, 3164601, 3266139, 3356395, 3789555, 5274335, 5443565, 6515355, 7384069, 7620991, 10069185, 11975843, 15823005, 16330695, 18508121, 22152207, 22862973, 35927529, 36920345, 38104955, 55524363, 59879215, 83830901, 92540605, 110761035, 114314865, 129556847, 179637645, 203589331, 251492703, 277621815, 388670541, 419154505, 610767993, 647784235, 1017946655, 1257463515, 1425125317, 1943352705, 3053839965, 4275375951, 7125626585, 21376879755]

約数ペア:

[(1, 21376879755), (3, 7125626585), (5, 4275375951), (7, 3053839965), (11, 1943352705), (15, 1425125317), (17, 1257463515), (21, 1017946655), (33, 647784235), (35, 610767993), (51, 419154505), (55, 388670541), (77, 277621815), (85, 251492703), (105, 203589331), (119, 179637645), (165, 129556847), (187, 114314865), (193, 110761035), (231, 92540605), (255, 83830901), (357, 59879215), (385, 55524363), (561, 38104955), (579, 36920345), (595, 35927529), (935, 22862973), (965, 22152207), (1155, 18508121), (1309, 16330695), (1351, 15823005), (1785, 11975843), (2123, 10069185), (2805, 7620991), (2895, 7384069), (3281, 6515355), (3927, 5443565), (4053, 5274335), (5641, 3789555), (6369, 3356395), (6545, 3266139), (6755, 3164601), (9843, 2171785), (10615, 2013837), (14861, 1438455), (16405, 1303071), (16923, 1263185), (19635, 1088713), (20265, 1054867), (22967, 930765), (28205, 757911), (31845, 671279), (36091, 592305), (39487, 541365), (44583, 479485), (49215, 434357), (62051, 344505), (68901, 310255), (74305, 287691), (84615, 252637), (95897, 222915), (108273, 197435), (114835, 186153), (118461, 180455)]