21132454

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2129}}^1$

素因数の和:2847

約数の個数: 16

約数和(自身を含む): 36295200

約数和(自身を除く): 15162746

約数列:

[1, 2, 7, 14, 709, 1418, 2129, 4258, 4963, 9926, 14903, 29806, 1509461, 3018922, 10566227, 21132454]

約数ペア:

[(1, 21132454), (2, 10566227), (7, 3018922), (14, 1509461), (709, 29806), (1418, 14903), (2129, 9926), (4258, 4963)]