21110165

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 26520048

約数和(自身を除く): 5409883

約数列:

[1, 5, 37, 53, 185, 265, 1961, 2153, 9805, 10765, 79661, 114109, 398305, 570545, 4222033, 21110165]

約数ペア:

[(1, 21110165), (5, 4222033), (37, 570545), (53, 398305), (185, 114109), (265, 79661), (1961, 10765), (2153, 9805)]