21694255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3011}}^1$

素因数の和:3158

約数の個数: 16

約数和(自身を含む): 28626048

約数和(自身を除く): 6931793

約数列:

[1, 5, 11, 55, 131, 655, 1441, 3011, 7205, 15055, 33121, 165605, 394441, 1972205, 4338851, 21694255]

約数ペア:

[(1, 21694255), (5, 4338851), (11, 1972205), (55, 394441), (131, 165605), (655, 33121), (1441, 15055), (3011, 7205)]