21978198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{10091}}^1$

素因数の和:10121

約数の個数: 36

約数和(自身を含む): 52347204

約数和(自身を除く): 30369006

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 10091, 20182, 30273, 60546, 90819, 111001, 181638, 222002, 333003, 666006, 999009, 1221011, 1998018, 2442022, 3663033, 7326066, 10989099, 21978198]

約数ペア:

[(1, 21978198), (2, 10989099), (3, 7326066), (6, 3663033), (9, 2442022), (11, 1998018), (18, 1221011), (22, 999009), (33, 666006), (66, 333003), (99, 222002), (121, 181638), (198, 111001), (242, 90819), (363, 60546), (726, 30273), (1089, 20182), (2178, 10091)]