21906756

素因数分解:

$2^2\times 3^2\times {\mathrm{608521}}^1$

素因数の和:608531

約数の個数: 18

約数和(自身を含む): 55375502

約数和(自身を除く): 33468746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608521, 1217042, 1825563, 2434084, 3651126, 5476689, 7302252, 10953378, 21906756]

約数ペア:

[(1, 21906756), (2, 10953378), (3, 7302252), (4, 5476689), (6, 3651126), (9, 2434084), (12, 1825563), (18, 1217042), (36, 608521)]