21158718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503779}}^1$

素因数の和:503791

約数の個数: 16

約数和(自身を含む): 48362880

約数和(自身を除く): 27204162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503779, 1007558, 1511337, 3022674, 3526453, 7052906, 10579359, 21158718]

約数ペア:

[(1, 21158718), (2, 10579359), (3, 7052906), (6, 3526453), (7, 3022674), (14, 1511337), (21, 1007558), (42, 503779)]