21414065

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 26199936

約数和(自身を除く): 4785871

約数列:

[1, 5, 113, 151, 251, 565, 755, 1255, 17063, 28363, 37901, 85315, 141815, 189505, 4282813, 21414065]

約数ペア:

[(1, 21414065), (5, 4282813), (113, 189505), (151, 141815), (251, 85315), (565, 37901), (755, 28363), (1255, 17063)]