21694535

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 26968032

約数和(自身を除く): 5273497

約数列:

[1, 5, 41, 97, 205, 485, 1091, 3977, 5455, 19885, 44731, 105827, 223655, 529135, 4338907, 21694535]

約数ペア:

[(1, 21694535), (5, 4338907), (41, 529135), (97, 223655), (205, 105827), (485, 44731), (1091, 19885), (3977, 5455)]