21191646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504563}}^1$

素因数の和:504575

約数の個数: 16

約数和(自身を含む): 48438144

約数和(自身を除く): 27246498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504563, 1009126, 1513689, 3027378, 3531941, 7063882, 10595823, 21191646]

約数ペア:

[(1, 21191646), (2, 10595823), (3, 7063882), (6, 3531941), (7, 3027378), (14, 1513689), (21, 1009126), (42, 504563)]