21549328

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4793}}^1$

素因数の和:5082

約数の個数: 20

約数和(自身を含む): 41909148

約数和(自身を除く): 20359820

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4793, 9586, 19172, 38344, 76688, 1346833, 2693666, 5387332, 10774664, 21549328]

約数ペア:

[(1, 21549328), (2, 10774664), (4, 5387332), (8, 2693666), (16, 1346833), (281, 76688), (562, 38344), (1124, 19172), (2248, 9586), (4496, 4793)]