21862075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 28578528

約数和(自身を除く): 6716453

約数列:

[1, 5, 23, 25, 115, 193, 197, 575, 965, 985, 4439, 4531, 4825, 4925, 22195, 22655, 38021, 110975, 113275, 190105, 874483, 950525, 4372415, 21862075]

約数ペア:

[(1, 21862075), (5, 4372415), (23, 950525), (25, 874483), (115, 190105), (193, 113275), (197, 110975), (575, 38021), (965, 22655), (985, 22195), (4439, 4925), (4531, 4825)]