21605050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18787}}^1$

素因数の和:18822

約数の個数: 24

約数和(自身を含む): 41934816

約数和(自身を除く): 20329766

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18787, 37574, 93935, 187870, 432101, 469675, 864202, 939350, 2160505, 4321010, 10802525, 21605050]

約数ペア:

[(1, 21605050), (2, 10802525), (5, 4321010), (10, 2160505), (23, 939350), (25, 864202), (46, 469675), (50, 432101), (115, 187870), (230, 93935), (575, 37574), (1150, 18787)]