21854252

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3037}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 43893024

約数和(自身を除く): 22038772

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3037, 3598, 6074, 7196, 12148, 21259, 42518, 85036, 780509, 1561018, 3122036, 5463563, 10927126, 21854252]

約数ペア:

[(1, 21854252), (2, 10927126), (4, 5463563), (7, 3122036), (14, 1561018), (28, 780509), (257, 85036), (514, 42518), (1028, 21259), (1799, 12148), (3037, 7196), (3598, 6074)]