21000948978

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{30974851}}^1$

素因数の和:30974969

約数の個数: 16

約数和(自身を含む): 42373597536

約数和(自身を除く): 21372648558

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 30974851, 61949702, 92924553, 185849106, 3500158163, 7000316326, 10500474489, 21000948978]

約数ペア:

[(1, 21000948978), (2, 10500474489), (3, 7000316326), (6, 3500158163), (113, 185849106), (226, 92924553), (339, 61949702), (678, 30974851)]