21033978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500809}}^1$

素因数の和:500821

約数の個数: 16

約数和(自身を含む): 48077760

約数和(自身を除く): 27043782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500809, 1001618, 1502427, 3004854, 3505663, 7011326, 10516989, 21033978]

約数ペア:

[(1, 21033978), (2, 10516989), (3, 7011326), (6, 3505663), (7, 3004854), (14, 1502427), (21, 1001618), (42, 500809)]