21728568

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3607}}^1$

素因数の和:3867

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 32824392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3607, 6024, 7214, 10821, 14428, 21642, 28856, 43284, 86568, 905357, 1810714, 2716071, 3621428, 5432142, 7242856, 10864284, 21728568]

約数ペア:

[(1, 21728568), (2, 10864284), (3, 7242856), (4, 5432142), (6, 3621428), (8, 2716071), (12, 1810714), (24, 905357), (251, 86568), (502, 43284), (753, 28856), (1004, 21642), (1506, 14428), (2008, 10821), (3012, 7214), (3607, 6024)]