21415735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9497}}^1$

素因数の和:9554

約数の個数: 16

約数和(自身を含む): 28721952

約数和(自身を除く): 7306217

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9497, 47485, 104467, 389377, 522335, 1946885, 4283147, 21415735]

約数ペア:

[(1, 21415735), (5, 4283147), (11, 1946885), (41, 522335), (55, 389377), (205, 104467), (451, 47485), (2255, 9497)]