21000895443

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{6217}}^1$

素因数の和:6612

約数の個数: 48

約数和(自身を含む): 33465276000

約数和(自身を除く): 12464380557

約数列:

[1, 3, 9, 11, 33, 99, 149, 229, 447, 687, 1341, 1639, 2061, 2519, 4917, 6217, 7557, 14751, 18651, 22671, 34121, 55953, 68387, 102363, 205161, 307089, 375331, 615483, 926333, 1125993, 1423693, 2778999, 3377979, 4271079, 8336997, 10189663, 12813237, 15660623, 30568989, 46981869, 91706967, 140945607, 212130257, 636390771, 1909172313, 2333432827, 7000298481, 21000895443]

約数ペア:

[(1, 21000895443), (3, 7000298481), (9, 2333432827), (11, 1909172313), (33, 636390771), (99, 212130257), (149, 140945607), (229, 91706967), (447, 46981869), (687, 30568989), (1341, 15660623), (1639, 12813237), (2061, 10189663), (2519, 8336997), (4917, 4271079), (6217, 3377979), (7557, 2778999), (14751, 1423693), (18651, 1125993), (22671, 926333), (34121, 615483), (55953, 375331), (68387, 307089), (102363, 205161)]