21876530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168281}}^1$

素因数の和:168301

約数の個数: 16

約数和(自身を含む): 42407064

約数和(自身を除く): 20530534

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 168281, 336562, 841405, 1682810, 2187653, 4375306, 10938265, 21876530]

約数ペア:

[(1, 21876530), (2, 10938265), (5, 4375306), (10, 2187653), (13, 1682810), (26, 841405), (65, 336562), (130, 168281)]