21319622

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4723}}^1$

素因数の和:4823

約数の個数: 16

約数和(自身を含む): 33389232

約数和(自身を除く): 12069610

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4514, 4723, 9446, 174751, 288103, 349502, 576206, 10659811, 21319622]

約数ペア:

[(1, 21319622), (2, 10659811), (37, 576206), (61, 349502), (74, 288103), (122, 174751), (2257, 9446), (4514, 4723)]