21764935

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 27158400

約数和(自身を除く): 5393465

約数列:

[1, 5, 29, 145, 367, 409, 1835, 2045, 10643, 11861, 53215, 59305, 150103, 750515, 4352987, 21764935]

約数ペア:

[(1, 21764935), (5, 4352987), (29, 750515), (145, 150103), (367, 59305), (409, 53215), (1835, 11861), (2045, 10643)]