21551345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{971}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 27153792

約数和(自身を除く): 5602447

約数列:

[1, 5, 23, 115, 193, 965, 971, 4439, 4855, 22195, 22333, 111665, 187403, 937015, 4310269, 21551345]

約数ペア:

[(1, 21551345), (5, 4310269), (23, 937015), (115, 187403), (193, 111665), (965, 22333), (971, 22195), (4439, 4855)]