21506214

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9929}}^1$

素因数の和:9972

約数の個数: 24

約数和(自身を含む): 45399960

約数和(自身を除く): 23893746

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9929, 19858, 29787, 59574, 188651, 377302, 565953, 1131906, 3584369, 7168738, 10753107, 21506214]

約数ペア:

[(1, 21506214), (2, 10753107), (3, 7168738), (6, 3584369), (19, 1131906), (38, 565953), (57, 377302), (114, 188651), (361, 59574), (722, 29787), (1083, 19858), (2166, 9929)]