21838308478

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1\times {\mathrm{8821}}^1$

素因数の和:9988

約数の個数: 32

約数和(自身を含む): 37686737088

約数和(自身を除く): 15848428610

約数列:

[1, 2, 7, 14, 181, 362, 977, 1267, 1954, 2534, 6839, 8821, 13678, 17642, 61747, 123494, 176837, 353674, 1237859, 1596601, 2475718, 3193202, 8618117, 11176207, 17236234, 22352414, 60326819, 120653638, 1559879177, 3119758354, 10919154239, 21838308478]

約数ペア:

[(1, 21838308478), (2, 10919154239), (7, 3119758354), (14, 1559879177), (181, 120653638), (362, 60326819), (977, 22352414), (1267, 17236234), (1954, 11176207), (2534, 8618117), (6839, 3193202), (8821, 2475718), (13678, 1596601), (17642, 1237859), (61747, 353674), (123494, 176837)]