21038008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 21096392

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2659, 3956, 5318, 7912, 10636, 21272, 61157, 114337, 122314, 228674, 244628, 457348, 489256, 914696, 2629751, 5259502, 10519004, 21038008]

約数ペア:

[(1, 21038008), (2, 10519004), (4, 5259502), (8, 2629751), (23, 914696), (43, 489256), (46, 457348), (86, 244628), (92, 228674), (172, 122314), (184, 114337), (344, 61157), (989, 21272), (1978, 10636), (2659, 7912), (3956, 5318)]