21110886

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 25945578

約数列:

[1, 2, 3, 6, 9, 18, 97, 107, 113, 194, 214, 226, 291, 321, 339, 582, 642, 678, 873, 963, 1017, 1746, 1926, 2034, 10379, 10961, 12091, 20758, 21922, 24182, 31137, 32883, 36273, 62274, 65766, 72546, 93411, 98649, 108819, 186822, 197298, 217638, 1172827, 2345654, 3518481, 7036962, 10555443, 21110886]

約数ペア:

[(1, 21110886), (2, 10555443), (3, 7036962), (6, 3518481), (9, 2345654), (18, 1172827), (97, 217638), (107, 197298), (113, 186822), (194, 108819), (214, 98649), (226, 93411), (291, 72546), (321, 65766), (339, 62274), (582, 36273), (642, 32883), (678, 31137), (873, 24182), (963, 21922), (1017, 20758), (1746, 12091), (1926, 10961), (2034, 10379)]