21556105956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{706943}}^1$

素因数の和:706982

約数の個数: 108

約数和(自身を含む): 68449145856

約数和(自身を除く): 46893039900

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 1089, 1386, 1452, 1694, 2178, 2541, 2772, 3388, 4356, 5082, 7623, 10164, 15246, 30492, 706943, 1413886, 2120829, 2827772, 4241658, 4948601, 6362487, 7776373, 8483316, 9897202, 12724974, 14845803, 15552746, 19794404, 23329119, 25449948, 29691606, 31105492, 44537409, 46658238, 54434611, 59383212, 69987357, 85540103, 89074818, 93316476, 108869222, 139974714, 163303833, 171080206, 178149636, 217738444, 256620309, 279949428, 326607666, 342160412, 489911499, 513240618, 598780721, 653215332, 769860927, 979822998, 1026481236, 1197561442, 1539721854, 1796342163, 1959645996, 2395122884, 3079443708, 3592684326, 5389026489, 7185368652, 10778052978, 21556105956]

約数ペア:

[(1, 21556105956), (2, 10778052978), (3, 7185368652), (4, 5389026489), (6, 3592684326), (7, 3079443708), (9, 2395122884), (11, 1959645996), (12, 1796342163), (14, 1539721854), (18, 1197561442), (21, 1026481236), (22, 979822998), (28, 769860927), (33, 653215332), (36, 598780721), (42, 513240618), (44, 489911499), (63, 342160412), (66, 326607666), (77, 279949428), (84, 256620309), (99, 217738444), (121, 178149636), (126, 171080206), (132, 163303833), (154, 139974714), (198, 108869222), (231, 93316476), (242, 89074818), (252, 85540103), (308, 69987357), (363, 59383212), (396, 54434611), (462, 46658238), (484, 44537409), (693, 31105492), (726, 29691606), (847, 25449948), (924, 23329119), (1089, 19794404), (1386, 15552746), (1452, 14845803), (1694, 12724974), (2178, 9897202), (2541, 8483316), (2772, 7776373), (3388, 6362487), (4356, 4948601), (5082, 4241658), (7623, 2827772), (10164, 2120829), (15246, 1413886), (30492, 706943)]