21038229506

素因数分解:

$2^1\times 7^1\times {\mathrm{21277}}^1\times {\mathrm{70627}}^1$

素因数の和:91913

約数の個数: 16

約数和(自身を含む): 36067742016

約数和(自身を除く): 15029512510

約数列:

[1, 2, 7, 14, 21277, 42554, 70627, 141254, 148939, 297878, 494389, 988778, 1502730679, 3005461358, 10519114753, 21038229506]

約数ペア:

[(1, 21038229506), (2, 10519114753), (7, 3005461358), (14, 1502730679), (21277, 988778), (42554, 494389), (70627, 297878), (141254, 148939)]