21698054

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11831}}^1$

素因数の和:11971

約数の個数: 16

約数和(自身を含む): 37483776

約数和(自身を除く): 15785722

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11831, 23662, 82817, 165634, 1549861, 3099722, 10849027, 21698054]

約数ペア:

[(1, 21698054), (2, 10849027), (7, 3099722), (14, 1549861), (131, 165634), (262, 82817), (917, 23662), (1834, 11831)]