21035210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42929}}^1$

素因数の和:42950

約数の個数: 24

約数和(自身を含む): 44046180

約数和(自身を除く): 23010970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42929, 85858, 214645, 300503, 429290, 601006, 1502515, 2103521, 3005030, 4207042, 10517605, 21035210]

約数ペア:

[(1, 21035210), (2, 10517605), (5, 4207042), (7, 3005030), (10, 2103521), (14, 1502515), (35, 601006), (49, 429290), (70, 300503), (98, 214645), (245, 85858), (490, 42929)]