21303018

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9781}}^1$

素因数の和:9811

約数の個数: 36

約数和(自身を含む): 50739234

約数和(自身を除く): 29436216

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9781, 19562, 29343, 58686, 88029, 107591, 176058, 215182, 322773, 645546, 968319, 1183501, 1936638, 2367002, 3550503, 7101006, 10651509, 21303018]

約数ペア:

[(1, 21303018), (2, 10651509), (3, 7101006), (6, 3550503), (9, 2367002), (11, 1936638), (18, 1183501), (22, 968319), (33, 645546), (66, 322773), (99, 215182), (121, 176058), (198, 107591), (242, 88029), (363, 58686), (726, 29343), (1089, 19562), (2178, 9781)]