21079428

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16417}}^1$

素因数の和:16531

約数の個数: 24

約数和(自身を含む): 49648032

約数和(自身を除く): 28568604

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16417, 32834, 49251, 65668, 98502, 197004, 1756619, 3513238, 5269857, 7026476, 10539714, 21079428]

約数ペア:

[(1, 21079428), (2, 10539714), (3, 7026476), (4, 5269857), (6, 3513238), (12, 1756619), (107, 197004), (214, 98502), (321, 65668), (428, 49251), (642, 32834), (1284, 16417)]