21245742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168617}}^1$

素因数の和:168632

約数の個数: 24

約数和(自身を含む): 52608816

約数和(自身を除く): 31363074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168617, 337234, 505851, 1011702, 1180319, 1517553, 2360638, 3035106, 3540957, 7081914, 10622871, 21245742]

約数ペア:

[(1, 21245742), (2, 10622871), (3, 7081914), (6, 3540957), (7, 3035106), (9, 2360638), (14, 1517553), (18, 1180319), (21, 1011702), (42, 505851), (63, 337234), (126, 168617)]