21000663438

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21473071}}^1$

素因数の和:21473239

約数の個数: 16

約数和(自身を含む): 42259005696

約数和(自身を除く): 21258342258

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21473071, 42946142, 64419213, 128838426, 3500110573, 7000221146, 10500331719, 21000663438]

約数ペア:

[(1, 21000663438), (2, 10500331719), (3, 7000221146), (6, 3500110573), (163, 128838426), (326, 64419213), (489, 42946142), (978, 21473071)]