21422672

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8867}}^1$

素因数の和:9026

約数の個数: 20

約数和(自身を含む): 41786016

約数和(自身を除く): 20363344

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8867, 17734, 35468, 70936, 141872, 1338917, 2677834, 5355668, 10711336, 21422672]

約数ペア:

[(1, 21422672), (2, 10711336), (4, 5355668), (8, 2677834), (16, 1338917), (151, 141872), (302, 70936), (604, 35468), (1208, 17734), (2416, 8867)]