21040336

素因数分解:

$2^4\times {\mathrm{433}}^1\times {\mathrm{3037}}^1$

素因数の和:3478

約数の個数: 20

約数和(自身を含む): 40873252

約数和(自身を除く): 19832916

約数列:

[1, 2, 4, 8, 16, 433, 866, 1732, 3037, 3464, 6074, 6928, 12148, 24296, 48592, 1315021, 2630042, 5260084, 10520168, 21040336]

約数ペア:

[(1, 21040336), (2, 10520168), (4, 5260084), (8, 2630042), (16, 1315021), (433, 48592), (866, 24296), (1732, 12148), (3037, 6928), (3464, 6074)]