21047992

素因数分解:

$2^3\times 7^1\times {\mathrm{375857}}^1$

素因数の和:375870

約数の個数: 16

約数和(自身を含む): 45102960

約数和(自身を除く): 24054968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375857, 751714, 1503428, 2630999, 3006856, 5261998, 10523996, 21047992]

約数ペア:

[(1, 21047992), (2, 10523996), (4, 5261998), (7, 3006856), (8, 2630999), (14, 1503428), (28, 751714), (56, 375857)]