21829552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{31729}}^1$

素因数の和:31780

約数の個数: 20

約数和(自身を含む): 43279720

約数和(自身を除く): 21450168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 31729, 63458, 126916, 253832, 507664, 1364347, 2728694, 5457388, 10914776, 21829552]

約数ペア:

[(1, 21829552), (2, 10914776), (4, 5457388), (8, 2728694), (16, 1364347), (43, 507664), (86, 253832), (172, 126916), (344, 63458), (688, 31729)]