21919986

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 30308814

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 149, 198, 298, 447, 743, 894, 1341, 1486, 1639, 2229, 2682, 3278, 4458, 4917, 6687, 8173, 9834, 13374, 14751, 16346, 24519, 29502, 49038, 73557, 110707, 147114, 221414, 332121, 664242, 996363, 1217777, 1992726, 2435554, 3653331, 7306662, 10959993, 21919986]

約数ペア:

[(1, 21919986), (2, 10959993), (3, 7306662), (6, 3653331), (9, 2435554), (11, 1992726), (18, 1217777), (22, 996363), (33, 664242), (66, 332121), (99, 221414), (149, 147114), (198, 110707), (298, 73557), (447, 49038), (743, 29502), (894, 24519), (1341, 16346), (1486, 14751), (1639, 13374), (2229, 9834), (2682, 8173), (3278, 6687), (4458, 4917)]