21047838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501139}}^1$

素因数の和:501151

約数の個数: 16

約数和(自身を含む): 48109440

約数和(自身を除く): 27061602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501139, 1002278, 1503417, 3006834, 3507973, 7015946, 10523919, 21047838]

約数ペア:

[(1, 21047838), (2, 10523919), (3, 7015946), (6, 3507973), (7, 3006834), (14, 1503417), (21, 1002278), (42, 501139)]